Lot 30614 – 1942 Al-Azhar University, unissued stamps, set blocks of four

1942 Al-Azhar University, unissued stamps, 6m green, 10m violet, 15m purple, 20m gray, in blocks of four, mint without a trace of hinge, exceptionally fine blocks with full side margin at right; these set of blocks is of the highest rarity with about 100 stamps only printed of each value, very fresh colour.