Auction Series 257-264 in Zurich Day 3

Underpaid mail from Austria to Greece 1870: Small sized postal stationery envelope bearing 1867 coarse whiskers 5 Kr., tied by "WIEN 10/4 70" cds in black, will say short paid 20 Kr., struck with italic "AFF. INSUFF.' in black and '70' lepta in blue crayon, therefore taxed on arrival with 1868 10 L. orange on blued, 20 L. blue and 40 L. lilac on blued, all tied by 'Zakynthos' datestamps (Apr. 6 julian), part of the address erased  on front panel and some tonig, a most usual and rare cover. Sign. Holcombe and cert. Ferchenbauer (2018).
Catalogue 257: EUROPE & OVERSEAS