Lot 13 STOCKHOLMIA 2019 & ERIVAN Worldwide Rarities - 13

1878/79, First issue 6 pence blue-green, the complete sheet of 60 stamps with several plate flaws (diagram included), unused with original gum, 28 stamps unmounted mint. The perforation split in some places and reinforced or strengthened by hinges, still fine and attractive. An outstanding multiple of the first issue. (SG 3)
Provenance: John E. du Pont (2013)