Maitreya Buddha with his bag of blessings
Dimensions: 2.5"h x 1.6"w x 1" deep
Date: unknown
Impression: 汪 Wang; 士 Shi; 鐘 Zhong (the first three characters are the name); 曾 ceng (past tense marker); 讀 du (to read)
Read by Wang Shi Zhong
There are no identifying side inscriptions on this seal but the carving continues on all four sides of the stone where there are caves, lucky bats and other pleasures.
Many thanks to Yugan on the decryption.