SPAIN, Reino de España. Isabel II. 1833-1868. Proof CU 25 Centimos (26mm, 9.62 g, 12h). Decimal real coinage. Segovia mint; im: aqueduct. Dated 1854. KM 615.2. In NGC encapsulation graded PF 66 RB WINGS APPROVED. Gem proof with incredible lustrous very lightly toned surfaces. Extremely rare. The finest of four graded.
Ex Ponterio 37 (18 August 1989), lot 1443.