1861/62, Third London Printing 10 c. bright blue on blued paper with error of watermark "20" instead of "10", good to large margins with parts of two adjacent stamps, nicely cancelled, leaving the bust mostly visible. A flawless stamp, supposed to be the finest of 8 recorded copies of this variety. One of the great rarities of Chilean philately. Certificate Philatelic Foundation (1997) (Scott 12c)
Provenance: "Islander" (Corinphila 1996), Joseph Hackmey (Corinphila 2018)
