YAKUTSK: 1920, "4 RUB" violet overprint on 4 k., horizontal pair, tied by cds. "YAKUTSK -1 4 21" together with Arms 20 k. (revalued in roubles without additional overprint) to parcel card, undelivered and returned to Yakutsk with receiver handstamp "YAKUTSK -6 6 21". Trivial vertical archival fold not affecting the adhesives, fine and very scarce, certificate Ceresa (2014) (Geyfman-Nr. 6)
