3 kopek black/green with 1875 20 kopek blue/red orange, fresh colours, tied by cds “WARSAW 13 MAY 1877” repeated alongside to registered envelope to Vienna, Austria, with adjacent framed “ZAKAZNOE” (registered) as well as endorsement “Recommandiert”, reverse arrival cds “JOSEFTADT WIEN 26 5 77”. Except for a few short perforations on the 3 kopek and a few negligible toned spots on the envelope, in very fine condition. A very scarce early registered franking to a foreign destination