Watch List notes:

Terracotta counterfeiter's mold. Roman, 4th century AD. (33mm, 4.87 g). Part of a mold for casting coins, impressed on one side with a fourth officina GENIO CAESARIS reverse for an Alexandria mint follis of Maximinus II as Caesar. Cf. CNG E-334, lots 520-527 (for similar types). Some hard green deposits. Edge chip, otherwise intact.