Guides to antiques and collectibles
- How to read silver hallmarks
A plain guide to silver marks: British hallmarks, sterling and 925, continental numbers like 800, and the marks that mean silver plate.
- How to tell if a watch is fake
The details counterfeit watches most often get wrong: dial printing, the date magnifier, the second hand, casebacks, weight, and serial numbers.
- What is my old coin worth?
How to work out what an old coin is worth: identify it, judge its condition, check its metal, look for key dates and errors, and find real sold prices.
- Are the 2026 coins worth anything?
The 1776–2026 dime, five quarters and half dollar made for America's 250th: which ones are worth face value, which are worth more, and what to look for in your change.
- How to value inherited antiques
A step-by-step way to sort and value an inherited house or collection: what not to throw away, what to look for, how to find real prices, and when to call an appraiser.
- The Inverted Jenny: the 24¢ stamp worth $2 million
The story of the Inverted Jenny, the 1918 US airmail stamp printed with its plane upside down, bought for 24 cents and now sold for about $2 million.
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Get Worthzy on the App StoreWorthzy gives estimates and an authenticity screening, not a certified appraisal. For anything valuable, have a qualified specialist examine it in person.