1921 PRAGUE - PAŘÍŽ, Reg letter to France, right franked with. airmail stamp 24Kč/500h, Pof.L2 and postage stmp issue Chainbreaker + Hradčany in/at general value 2,50CZK, Pof.22, 151, 153, CDS KRÁL. VINOHRADY 1/ 25.III.21, Let-směrovka and Reg label number 1741; without defects, letter nebylpodán on/for přepážce main post, without attributes of air forwarding