For the most part, Roseville maintained a consistent shape numbering system that is relatively easy to follow. The marks are typically 2 or 3 digit numbers which indicate the pattern and shape of the piece followed by a dash and a one or two digit number which corresponds to the size of the vase, bowl, etc.

What is RRP pottery?

Founded in 1920 as a result of the merger of Ransbottom Pottery Co. and Robinson Clay Products Co., R.R.P. Co. continues to make stoneware and earthenware items that include crocks, tableware, cookie jars, vases, planters, pet feeders and garden items.