[mic52]

My buddy is trying to figure out where these rounds come from
Anyone ? Looks familiar ? View attachment 482819

Headstamp Codes - International Ammunition Association

Premier cartridge collecting site covering all types and forms of ammunition and their history, manufacture, markings and variations

www.cartridgecollectors.org

About the best source I know of to break some of these ties. "Collector" status probably/maybe not, but maybe he can get close.