Los-Nr. 2755

1878, 20 c. rose-red, medium thin paper, 1st printing on thin paper, a complete sheet of fifty (10x5) unused with full brown gum, margin close at right; position 50 with stain and sheet with horizontal crease through the third row; all positions showing the 'Break in oval under C of COLOMBIA' which defines the genuine, and inking flaw in between margins of positions 49 and 50. Position 8 without 'C' joined to 'O of CORREOS', position 42 with white line running from under 'U of UNIDOS' through coloured inner frame and through 'S of CORREOS' at right. A rarity with perhaps just 5 sheets in existence (Scott-no. 3; $ 2000,- +)