1856/62, Estancos 10 c. deep blue, strip of 3 with 2 entire stamps and diagonal bisect, right stamp slightly touched, otherwise ample to large margins and nice fresh colour, tied to letter sheet with adjacent Ancud cds. to Valparaiso, faint horizontal crease, still fine, certificate RPSL (1980) and BPA (1992)
Provenance: Gerhard Blank (Robson Lowe, 1994)
