Spain
Philip IV 50 Reales 1635 Aqueduct-R AU55 NGC, Segovia mint, Cal-245, KM81.5. Aqueduct mintmark for Segovia, with R assayer. 75.3mm/171.6g. No mintage records for this date have been located. Rare, with perhaps 17 confirmed examples, several of which are permanently impounded in public collections.
A superb 50 Reales with original toning, beautifully struck features. One of the finest of the type.
Estimate: 50000-60000 USD