1917, 10 h x 3, multiple franking, letter is overpaid 5 h. for 1st weight progress (30h instead of 25h), from BELGRADE to GENEVE/Switzerland, tied with K u K ETAPPEN POSTAMT BELGRAD and red ZENSURIERT K u K ZENSURSTELLE FELDKIRCH Nr 38, reverse arrival GENEVE, interesting and desirable letter in perfect condition, VF-XF! Schätzpreis 300€. (Image)

Estimate € 300