Two different 50 soles gold coins share the name: the famous Inca-head 50 soles (33.44 g, 1930–31 & 1967–69) and the seated-Liberty "soles oro" (23.41 g, 1950–1969).
History
- (A) The "Inca" 50 soles (KM219, Fr-77): Inca-head design, struck to the standard of a United States $20 gold piece — 1930–1931 and 1967–1969; mintages 5,584 (1930) and 5,538 (1931). Heritage calls it the "famed ‘Inca’ 50 Soles."
- (B) The 50 soles oro (KM230): seated-Liberty design reading "CINCUENTA SOLES ORO", struck 1950–1969; the coin itself is inscribed "PESO: GRS.23.40355 … NUEVE DECIMOS FINO" and "GRS.21.0632 DE ORO FINO."
- The 1950–1970 "soles oro" gold family (all .900): 100 soles 46.8071 g, 50 soles 23.4056 g, 20 soles 9.3614 g, 10 soles 4.6807 g, 5 soles 2.3404 g.
Key dates & varieties
- Type A key dates: the tiny 1930 and 1931 mintages (5,584 / 5,538).
- Type B key dates: 1968 and 1969 — 443 each, the lowest mintages of the 1950–69 series.
Specifications
- Type A ("Inca"): 33.4363 g, .900 fine, 0.9675 oz pure gold, about 34 mm.
- Type B ("soles oro"): 23.4056 g, .900 fine, 30 mm.
Collector notes
- Check which type you are holding before pricing — the two differ by 10 g of gold and belong to different markets.