Auction Series 257-264 in Zurich Day 2

1879: 10 c. black on green used in combination with 1881 5 st. black on yellow (5, with a horizontal pair and single on reverse) and 15 st. carmine on green, used on 1881 registered cover to Moscow, cancelled by bilingual SOFIA datestamps (Aug 6) with reverse showing an array of transits: bilingual ROUSTCHOUK (Aug 8), border datestamps of UNGENI (Aug 11 and 12) where the letter crossed from Romania into Russian territory and two different MOSCOW arrival datestamps (Aug 15), one tying the single 5 st. on reverse. Closed opening tear at top of envelope but an astonishing mixed issue combination franking to a surprisingly rare destination. Signed Renato Mondolfo, Herbert Bloch.
Catalogue 260: Italy, France and European Countries