Buckle has a maker mark; RZM in a circle and M4/45. "These are historical items, from the estate of a Jewish gentleman who collected them as a reminder never to forget the atrocities done to his people." Note: Thank you,‘justmehobbit” It measures 2-1/2 by 2 inches. I will combine; WW2 items. Shipping is via priority mailing or insured flat rate.