Spain, Joseph Napoleon "De Vellon", 1810, M-AI, 20 Reales, NGC, EF; Spain, Joseph Napoleon "De Vellon", 1810 M-AI, 20 Reales, NGC. EF, NGC Details: Spot removed. Pretty slate gray with lustrous blue and gold peripheral hues. Dav-308. Provenance: Lyman Low, New Rochelle NY, lot 29 (1912-1924).