373rd Heinrich Köhler auction - Day 1

1865, Steamer and Eagle 10 para brown/blue, vertical pair in fresh colour and wide margins all around with blue numeral "783" BEIRUT (applied upon arrival) on folded lettersheet from Mersina to Beirut with arrival mark "ПОРТЪ БЕЙРУТЪ 29 NOV" on reverse, a very rare and one of the most important covers from the Russian Levant with only 3 covers recorded bearing a pair of this stamp, certificate Mikulski (2000)
Provenance: Russian Ship, Dr Raymond Casey (2016)