10 c slate blue, horizontal strip of four and single stamp, with 5 c deep reddish brow, all touched in places, but mostly good margins, tied to lettersheet from " SANTIAGO 4 ENERO 55" to Valparaiso. A very rare and spectacular franking. Certificate BPA (1992) (Scott 5,3a)
Provenance: Albert Quast (Harmer Rooke, 1963) Gerhard Blank (Robson Lowe, 1991)