Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia And Soviet Union - 1922-23, ''R.S.F.S.R. SPESHNAYA POCHTA. N.K.P.T.'' (Special Delivery) label, complete pane of 25 (5x5) printed in red on thin uneven paper, full original gum, VF and rare in multiple, Est. $200-$250