30 k. rose/green and 1 k. black/yellow, fresh colours, each tied by cds “VILNA 12 JUL. 1875” to registered envelope to Königsberg with framed “ZAKAZNOE” and German red label for foreign registration mail, reverse arrival cds, fine. An extremely scarce early registered UPU mail from Russia and an early use of the German label, with new rates coming into force on 19th June 1875 (second weight step 16 k. plus 10 k. registration plus 5 k. international receipt)
