Grumman Aviation MFG Pin With Diamond and Topaz Stone

Description

This is a vintage Grumman Aviation award pin. It has a diamond and a topaz stone. It is marked with a B on the back. I am not sure how many years this signifies as this is the only one I have ever seen.
US Buyers only
Jewelry pictures may appear to make the piece look larger than actual size, please refer to the measurements for actual size.
Thanks for looking, and be sure to check out my other items. I am always happy to combine shipping on multiple purchases, however, if buying more than one item, please wait to be invoiced before sending payment so that the combined shipping can be applied.