How to Value Antiques: What to Check First

Start by deciding what question you need answered

“What is it worth?” can mean several different things. You may be deciding whether an item belongs in an estate sale, whether a collection needs a closer review, what to insure, how to divide family property or whether to sell at auction. Those are related questions, but they do not always use the same kind of value.

The Boston Public Library’s antique and collectible appraisal guide makes the distinction clearly: a written appraisal is a professional opinion of value at a given time, while an auction evaluation can be a practical conversation about property being considered for sale. Ask the purpose first. It prevents an insurance figure from being mistaken for an expected auction result, or a quick sale assessment from being treated as a formal report.

For a household with many categories, begin with triage. Set aside the art, jewellery, coins, books, documents, silver, clocks, unusual furniture and grouped collections that have marks, strong condition, a family story or a known maker. Cape Ann Auction’s collectibles research guide can help you organize that first look without turning every item into a separate project.

Make a simple record before you touch the surface

Begin with photographs. Take a full view, then the front, back, underside, interior, labels, signatures, maker’s marks, damage and repairs. Add a ruler or measuring tape for scale, and write down height, width and depth where that matters. A clear record is useful whether you later speak with an appraiser, an auction house, an insurer or other family members.

Use plain language. “Blue-and-white ceramic vase, 11 inches high, two side handles, shallow chip at rim, mark on base” is more useful than “old vase, probably valuable.” The detail gives a researcher something concrete to compare. Keep receipts, old auction catalogues, restoration invoices and family notes in a folder nearby. Do not tape them onto the object.

The National Park Service recommends record photographs and condition reporting as baseline documentation for collection objects. Its museum handbook guidance explains why a photograph and condition record make later monitoring possible. The same practical habit can keep an estate from losing its best clues during a busy move or cleanout.

Identify the object before comparing prices

Online comparisons only work when the objects are genuinely alike. Before looking at results, identify the category, material, maker or workshop, approximate age, dimensions and condition. A painted wooden box is not comparable merely because it has flowers on the lid. The construction, decoration, size, origin, wear and whether it has its original interior all matter.

Marks are leads, not verdicts. Photograph them exactly as found, including where they appear. A label can identify a maker, retailer or later owner. A number can be an inventory reference, a patent number or a matching-set mark. When an item is part of a group, record that relationship. A pair, a set with its original case, a desk with keys, or a run of letters with a related portrait may be more intelligible together than apart.

Do not fill the gaps with a confident guess. If the maker is unknown, write “unidentified mark” and preserve the image. If the family story is unconfirmed, label it as family history. That honesty gives a specialist a clean starting point and avoids building a valuation on a detail that later proves wrong.

Read condition as part of the object’s story

Condition is not simply “good” or “bad.” Look for chips, cracks, repairs, missing parts, loose joints, faded areas, wear, odors, insect activity, lifting veneer, later paint, replaced hardware and changes to the surface. Describe what is present without trying to hide or improve it. An honest condition note helps a buyer, appraiser or auction specialist determine whether a repair is stable, whether it changes attribution, and what market may fit the object.

Resist the urge to polish, strip, glue, paint or brighten an antique before a review. A tired surface can hold evidence, and a hurried repair can remove it. The National Park Service’s handling guidance for collections advises careful handling and attention to fragile objects. For an estate, the practical translation is simple: take photos first, keep parts together, and pause before a cosmetic fix.

Condition can lower value, but it does not automatically eliminate interest. A rare object with an honest repair may deserve more attention than a common object in perfect shape. The point is to capture what is true, not to make it look better for a photograph.

Use completed sales, not hopeful asking prices

Once you know what you are comparing, look for completed sales in the appropriate market. The important words are completed and comparable. An online listing may tell you what a seller hopes to receive, but it does not show what a buyer actually paid. A result is more useful when the maker, material, dimensions, condition, date and venue are close to your object.

Venue matters too. A local estate auction, a specialist sale, a dealer’s shop and an online marketplace reach different audiences and create different results. A result for a pristine, documented example sold through a specialist may not tell you much about a repaired, unsigned household piece. Use comparisons to understand a range and a market, not to force a single number.

It is also worth separating an estimate from a sale. As the Museum of New Zealand’s collection valuation guide notes, an object’s actual sale result is only known when and where the sale occurs. That is why careful descriptions, credible comparisons and the right selling route matter more than a quick price search.

Keep provenance and related objects together

Provenance is the story of where an object came from and who owned it. A receipt, exhibition label, old photograph, family letter, auction catalogue or conservation invoice may help place an item in that story. It does not create value by itself, but it can support identification, ownership history and context. Keep records with the inventory, not permanently attached to the object.

Think about relationships in the room as well. A painting and the papers in the desk beneath it may be unrelated, but they may also explain a local artist, a family commission or a collector’s interest. Books, silver, tools, ephemera and furniture often carry more useful clues when the household context is still intact. Cape Ann Auction’s guide to old documents explains how a paper trail can help preserve that context.

When you are not sure whether a group belongs together, photograph it together before separating it. You can always sort later. You cannot recreate a relationship once the labels, matching pieces and room history have been scattered.

Know when to stop researching alone

Some items deserve a pause before you keep comparing them online. Set aside an object when you find a maker’s mark you cannot place, a signature or inscription, a known local connection, an old label, an unusual material, a complete set, an old repair that needs explanation or paperwork that appears to follow the item. The same is true when an object might be fragile. A cracked painting, a loose clock mechanism, a weak chair or a peeling surface can lose useful information through unnecessary handling.

Specialist knowledge is also useful when the market is narrow. Fine art, jewellery, coins, rare books, maritime material, militaria, designer furniture and regional history often need the right comparison and the right audience. A general online price can be misleading because two objects with nearly identical names may have completely different makers, editions, materials or states of preservation.

The Appraisers Association of America’s consumer guidance recommends agreeing on the scope of an appraisal and the expected report before work begins. In plain terms, be ready to say what decision you are making, what records you have and whether the item is part of a larger estate or collection. That lets the reviewer match the work to the question instead of producing the wrong kind of answer.

When Cape Ann Auction can help

A strong first record makes the next decision easier. Cape Ann Auction can review an estate, collection or individual item and help sort the material that needs a closer look from the contents that can move through a practical sale plan. For families, executors and property owners, that often means protecting the important pieces before the home begins to empty.

If a formal opinion is needed for insurance, estate settlement or another defined purpose, start with certified appraisal services. If the question is how best to sell a collection or estate, the selling overview explains the paths available, including auction, consignment, direct purchase and estate-sale planning. The goal is not to promise every antique a prize result. It is to give the right objects the right audience and a fair review.

Send a few well-lit overall photographs, detail images of marks or signatures, measurements and an honest condition note. Include any records that establish where the object came from. That preparation keeps the first review focused on the information that can change the decision.

A quick value-check checklist

1. State the purpose. Decide whether you need a sale assessment, a formal appraisal, an insurance record or a family-division plan.
2. Photograph first. Capture the whole object, then every mark, label, repair and related piece.
3. Record the facts. Note measurements, materials, maker clues, condition and known history.
4. Do not rush treatment. Avoid polishing, stripping, gluing or separating a group before it is documented.
5. Compare like with like. Use completed sales of closely comparable objects and account for the venue.
6. Ask for a review when it matters. Set aside the pieces with strong maker clues, provenance, unusual construction or a meaningful collection context.