VINTAGE PYREX CUSTARD CUP

Here is a vintage Pyrex custard cup. It is about 4" across and 1 7/8" high, it probably holds 6 ounces. It is marked, Pyrex,T.M.REG, U.S. PAT. OFF., 445, J-AP on the bottom. It has 3 rings around the glass near the middle. It is in mint condition. Email if you have any questions.