Our method

An estimate is only worth what it is built on.

Most tools hand you a number. We show where it comes from: the real sales we kept, the ones we discarded, and how confident the identification is.

Three principles, in this order

They are not negotiable: this is what separates a reasoned estimate from a number pulled out of thin air.

Identify first

A price means nothing until the object is recognised. Identification comes before valuation, never the other way round.

Check against the market

Every estimate rests on dated, sourced comparable sales — and we also show what was set aside, and why.

Own the uncertainty

When an object cannot be identified reliably, we say so — and the analysis is not charged.

Three steps to an appraisal

Take a photo. The AI analyses it. You get a reasoned range — in about 30 seconds.

Step 01

Take a photo

A sharp, straight-on photo, no filter. Add a close-up — signature, stamp, wear, movement — if you have one.

Step 02

Our AI analyses

Type and use, period and style, materials and visible authenticity clues, with a confidence score and a list of what is missing.

Step 03

Estimate & report

A range built on recent sales, the comparables kept and discarded, and an exportable report.

What this is not

Saying so plainly is part of the method.

A decision aid, not a certificate. Vintage Expert is neither a certificate of authenticity, nor a judicial appraisal, nor a guarantee of sale price. For an object of significant value — inheritance, insurance, dispute — the involvement of an expert or a auctioneer remains necessary. The detailed terms are set out in the terms of service (FR).

Never an invented attribution. If the stamp is not visible in the photo, it is listed as unknown. We do not infer a designer from a stylistic resemblance: see artists, signatures and attributions.

Go further

Guide

From method to finished record

Three free analyses to apply the method to your own objects.

Try it See the tools