Vintage glass guides
How to identify Depression glass, carnival glass, Fenton, vintage Pyrex and uranium glass, and how to spot reproductions.
Dates and maker histories come from museum, maker and historical-society sources listed on each page.
- Depression glass identification: makers, patterns and reproductionsHow to identify Depression glass: what it is, the seven main makers, colors and mold-etched patterns, signs of machine pressing, and how to spot later reproductions.
- Carnival glass identification: makers, colors, marks and reproductionsIdentify carnival glass: the five classic American makers, why base glass color sets the name, Northwood, Imperial and Fenton marks, and how to spot reissues and fakes.
- Vintage Pyrex patterns: how to identify and date opal wareHow to identify vintage Pyrex: opal ware patterns with museum dates, reading the molded backstamp and item numbers, PYREX versus pyrex, and how to use old pieces safely.
- Uranium glass: how to identify it, what it is, and whether it is safeHow to identify uranium glass with a UV light, how Vaseline, custard and jadeite differ, when it was made, and what radiation agencies say about its safety.
- Fenton glass marks: the oval logo, decade numbers and labelsHow to read Fenton glass marks: the molded oval logo from 1970, decade digits 8, 9, 0 and 1, the script F, seconds marks, paper labels and how to date unmarked Fenton.
About valuesEstimates are not appraisals. Prices depend on maker, age, condition, rarity, provenance and the market at the time of sale, and neither an app scan nor a guide can replace an expert who handles the object. For anything that may be valuable, or before you sell, insure or buy at a high price, consult a qualified appraiser or a reputable auction house.
Identify your antique in seconds
Antique ID identifies an item from a photo, reads visible maker's marks, suggests a period and gives an estimated value range, so you know whether it deserves a closer look.
