Lot 1362 384. Auction - 1362

10 k. blue/rose, tied by four-ring numeral “1” to folded lettersheet from Warsaw to St Petersburg with arrival postmark “ST. PETERSBURG JUNE 1862”, the adhesive with some light toning, the lettersheet with small faults, still fine, signed Alcuri and Pfenninger with certificate Philatelic Experts (2024)