unused Group C: Type O1 5r. scarlet and emerald unused vertical pair from the right of the sheet with full sheet margins, variety lower stamp with overprint omitted; central roulettes severed though margin intact. A very rare pair. S.G. O27A var. Photo

Details
unused Group C: Type O1 5r. scarlet and emerald unused vertical pair from the right of the sheet with full sheet margins, variety lower stamp with overprint omitted; central roulettes severed though margin intact. A very rare pair. S.G. O27A var. Photo