5 c. red-brown on blued, horizontal block of twelve, nice fresh colour, the upper left stamp partly close, otherwise with good to large margins all round, with small sheet margin at base, tied by target cancels to entire letter with adjacen red “SANTIAGO 26 AGTO 57” to Valparaiso, paying the 3 ounce rate. Faint horizontal creasing in the top row, otherwise very fine and fresh. A fantastic and famous cover with one of the largest recorded blocks on letter of all classic Chile issues. Unique. Certificate BPA (1992) (Scott 8)
Provenance: Gerhard Blank (Robson Lowe 1991)
