Lot 61189 - Peru 1858 1/2 Peso error of colour on cover, transfer type d, with full margins and in flawless condition, on a folded letter cover from Huarez

1858 1/2 Peso error of colour on cover, transfer type d, with full margins and in flawless condition, on a folded letter cover from Huarez 16 DEC to Lima, with central HUARs cancel, very fine and very rare with only about a dozen such covers are known to exist (even some major collections of Peru lacked an example on cover, demonstrating just how rarely such covers come onto the market!), a major rarity of South American philately and, furthermore, a magnificent specimen of the sought-after early classic colour errors; cert. Moorhouse, signed by Calves and Jamet.