Skip to content
Underpriced AI
Underpriced AI Blog

Reselling Tips, Guides & News

Expert insights to help you find better deals, optimize your listings, and grow your reselling business.

Showing 9 articles tagged “Antique Valuation”

Featured Article

How to Identify Vintage Glassware With Pictures
Antique ValuationVintage Glass

How to Identify Vintage Glassware With Pictures

Here's how to identify vintage glassware with pictures of marks, patterns, and production methods, then price it using real sold values.

Frank KratzerMarch 28, 202614 min read

Latest Articles

Bronze Foundry Marks: Identify Makers, Signatures and Values
Antique ValuationReselling Tips

Bronze Foundry Marks: Identify Makers, Signatures and Values

Learn to identify bronze foundry marks, artist signatures, and casting marks with real sold prices.

March 26, 202617 min read
7 Ways to Get a Free Antique Appraisal Online or in Person in 2026
Pricing ToolsAntique Valuation

7 Ways to Get a Free Antique Appraisal Online or in Person in 2026

You can get an antique appraisal for free with an AI photo app, eBay sold listings, collector communities and auction house pre-screening.

March 24, 202616 min read
Silver Hallmarks Identification Chart for Sterling, Plate and Makers
Antique ValuationSilver & Jewelry

Silver Hallmarks Identification Chart for Sterling, Plate and Makers

Silver hallmarks show if a piece is sterling or plate, who made it and when. Read 925, the lion passant and date letters, with real sold prices.

March 23, 202615 min read
WorthPoint app review after 8 months of daily use
Pricing ToolsAntique Valuation

WorthPoint app review after 8 months of daily use

The WorthPoint app costs $29.99 a month and covers auction history, marks database and antiques data from 8 months of daily use.

February 22, 202615 min read
WorthPoint Cost Explained, Plus Alternatives That Cost Less
Pricing ToolsAntique Valuation

WorthPoint Cost Explained, Plus Alternatives That Cost Less

WorthPoint costs $29.99 per month, but several alternatives compare real sold prices across eBay, Poshmark, and Mercari for less.

February 20, 202620 min read
Antique Identifier App Reviews 2026, Curio vs 7 Alternatives
Estate SalesPricing Tools

Antique Identifier App Reviews 2026, Curio vs 7 Alternatives

The top antique identifier app is Underpriced AI, which pairs photo identification with real eBay sold comps. Curio is strong for pure identification.

October 27, 202522 min read
Antique Identification by Markings | Read Maker's Marks and Labels
Antique ValuationReselling Tips

Antique Identification by Markings | Read Maker's Marks and Labels

Learn how to identify antiques by reading maker's marks, hallmarks, and signatures. A practical guide to pottery marks, silver hallmarks, and more.

October 25, 202516 min read
Curio App Reviews, Cost and How It Compares for Resellers
Pricing ToolsAntique Valuation

Curio App Reviews, Cost and How It Compares for Resellers

The Curio app values antiques from asking prices, while Underpriced AI uses real eBay sold data, and this review compares cost, features and accuracy.

October 14, 202515 min read

Find our guides useful? Get more of them in Google Search.

Add to Preferred Sources