Watch List notes:

PORTUGAL, Kingdom. João VI o Clemente (the Clement). 1816-1826. AV Meia Peça – 3200 Réis (26mm, 7.18 g, 12h). Lisboa (Lison) mint. Dated 1821. Laureate, draped, and cuirassed bust right / Crowned coat-of-arms over armillary sphere; all within wreath. Gomes 17.04; Vaz J6.18; KM 363; Friedberg 129. EF, lustrous.

From the collection of Dr. Lawrence A. Adams. Ex Lester Merkin (7 December 1973), lot 422.