Losnr. 1887 - 284.-290. Auktion
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Losnr. : 1887 Russland
1906: Formular letter card with response possibility (incl. another smaller cover attached), both without indicium, introduced by decree of September 23, 1906. Some perforation separations as to be expected, nevertheless an interesting item on the way to the introduction of the international reply coupons. Standard collection catalogue ES7Ausruf : 250 CHFZuschlag : nicht verkauft