Lot 91184 – 1870, 3r black, two examples, of which one unused without

1870, 3r black, two examples, of which one unused without gum in clearly distinctive shade (signed Stolow), being marginal and with good to very large margins, the second example, cut close to slightly into, very rarely found used on piece and tied by dotted lozenge and cds; a very desirable and unusual pair.