Austria 1867 Issue. 1869, Vienna 22.7., single circle postmark...

Austria 1867 Issue. 1869, Vienna 22.7., single circle postmark on 50 Kr. besides red “London E. C. / PAID. . ” and underneath company cancel as well reverse red arrival postmark from London, signed and certificate Dr. Ferchenbauer, € 4000,- and and no. 41 Ib, natural Prachtstk. https://ift.tt/2Fzk4HD

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