Celtic Knot best Metal Hand Stamp for Metal Artists

Up for sale is a custom made metal hand stamp depicting a Celtic Knot.
Proudly made in the USA by a Ma & Pa engraving shop. Professionally heat treated best and tempered A2 tool steel to withstand the daily rigors of the craftsman. Good for stamping hot steel, cold steel,copper, brass, silver, leather, or wood.

Dimension are as follows:
-height: ~7/16"
-width: ~7/16"
-overall length: ~3-1/2”