Watch List notes:

Herrera, Adolfo. EL DURO: ESTUDIO DE LOS REALES DE A OCHO ESPAÑOLES Y DE LAS MONEDAS DE IGUAL O APROXIMADO VALOR LABRADAS EN LOS DOMINIOS DE LA CORONA DE ESPAÑA. Madrid: J. Lacoste, 1914. Two volumes, complete, bound in one. Folio, later full black crushed morocco; spine with five raised bands, ruled, lettered and decorated in gilt; upper cover lettered in gilt; decorative endpapers; original gilt-printed card covers bound in. 532, (2) pages; 54 fine plates of coins. Light marks to spine, else untrimmed and fine. A particularly fine copy of the scarce original edition of this classic work. Clain-Stefanelli 11363*: "A basic reference on Spanish eight reales." Grierson 171. Mateu y Llopis 204. Ex Kolbe & Fanning Sale 153, lot 167.