unused Pair, marginal, unused good margins except at one point where just clear or just touched, showing portion of an adjoining stamp; crease and small corner crease, otherwise fine; a great rarity with a pair being the largest known unused multiple, this probably being the finest of the very few recorded

Details
unused Pair, marginal, unused good margins except at one point where just clear or just touched, showing portion of an adjoining stamp; crease and small corner crease, otherwise fine; a great rarity with a pair being the largest known unused multiple, this probably being the finest of the very few recorded
Provenance
Pack, 1944, sale 1, lot 378
Dale-Lichtenstein, 1989, lot 337A
"Salisbury", 1995, lot 1046