Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - World War I - Military Aviation - 1916, free-frank post card from 11th Light Battery Detachment for Firing at Air Fleet, addressed to Lifland Gub., Field PO ''23.12.16'' cancellation and Rapina ''23.12.16'' arrival date stamp, VF, Est. $150-$180