Watch List notes:

PORTUGAL

Miguel I, 1828-1834. ½ Peça 1828, Lisbon. Obv. MICHAEL I D G PORTUGALIAE ET ALGARB REX. Bust right. Rev. Portugal coat of arms. Vaz M1.05; Silva M 42. AU. 7.12 g.
XF

Ex. Sotheby's London auction, 16 May 1985, lot 151. 1540 GBP (5005 CHF) + bp.