1932, Columbus 20 c. Plate Proofs, a complete sheet of 100 from the Waterlow Archives, fully annotated and worked on with security punches, together with a lower left corner block of four endorsed "Colour Correct 29.6.32", also 20 c. dark green overprinted "WATERLOW & SONS L.T.D. SPECIMEN" mounted on small numbered card, the sheet folded several times and with some light aging, still a fine and rare assembly 

1793, Entire letter from Puerto to San Juan de Giron, fully dated inside, endorsed in manuscript "en su mano" and very likely carried by Chasquis; some worm holes and aging, still a presentable entire travelled within the Viceroyalty of Grenada

1810, Entire letter to Antioquia sent pre-paid with fair strike of red framed "SANTAFÉ YINDYAS FRANCA", endorsed in manuscript "6" reales; very fine, an attractive early post-Independence entire