Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

"El Sol de Mayo" 1856 (Oct 1): Carrier 60 c. blue, thin figures, a fine example with three complete margins and just touched at base (position 19), used on 29 September 1858 entire letter from San José to Ramon Duranona in Montevideo with the adhesive just tied by two small pen strokes over the lower left corner. File fold but a rare usage on full entire, R. A. Siegel / Walter Britz census #1-COV-35 of the 37 covers recorded. Rare. Signed Fausto Diaz Paulos Scott = $ 5'000.