Estimate: 4’000 – 5’000 GBP
Auction date: Tue 21 Sep 2021 at 11:00 (Europe/Zurich)
Auction: Great Britain Specialised Online Auction
Catalog: Great Britain & British Empire

1847-54 6d. purple used block of four with margins all round, each cancelled by a black “837” numeral, creased near the impressions though exceedingly rare and thought to be the only used multiple with full margins recorded. E Diena certificate (1992)

SG 60