Watch List notes:

(x) Spain, Isabel II (1833-1868), Doublon of 100-Reales, 1850 M, Madrid, edge milled, 8.14g, 12h (Cal. 757; LM 264; Cayon 17351; KM 594.2), struck with a flawed flan, otherwise lustrous, good very fine / extremely fine, a scarce date

Provenance
The George Webber Collection of World Gold Coins
SNC, April 1973, no. 3620 - £75 [ticket dated December 1972]