Coarseness along the mold mark, crackling or bubbles in glass, asymmetry of shape and a strong luster or iridescence are a few telltale signs that your vase is the real deal instead of a reproduction or forgery.

Is there an app for identifying pottery marks?

Very helpful app! Our main marks identification reference guides display all images of marks of a similar shape on a single page and is super easy to use.

How do you identify Rookwood pottery?

Rookwood can be found with shape numbers running from 1 to 7301 impressed on the bottom of the pottery. Each shape design could be produced in multiple sizes. Rookwood sizes were defined with the letters A, B, C, D, E and F with A representing the largest size in a particular shape and F the smallest.

Does Old gold have markings?

Markings such as 14K, 18K and 9K are common, although you can also find 22K and early marks such as 19.5. The English hallmark stamps did not indicate the carat amount, but the fineness, the percentage of gold parts per thousand (ppt), from 9K, 375 to 24K, 990 and up to 999.9 purity.