Watch List notes:

The St. Albans Collection of English Gold Coins | NGC AU58 | Commonwealth (1649-1660), Unite, 1651, Tower, • THE COMMONWEALTH OF ENGLAND • English shield within palm and laurel wreath of fifteen leaves, rev. • 1651 • GOD • WITH • VS, conjoined shields of England and Ireland, • XX • above, 8.97g, m.m. sun [on obverse only] (Schneider II, 339; Tisbury -; EGC 10; North 2715; Spink 3208), traces of doubling in obverse legend, otherwise handsomely toned with enchanting reddish flare overlying lustrous original fields, die wear to high points, good very fine, the scarcer obverse variety as identified by Bull and with a famous pedigree, with NGC 'St Albans' Certification, graded AU58 (#6295553-012).
Provenance
'A Distinguished Collection', purchased en bloc via Spink, August 2018,
Spink 211, 13 December 2011, lot 108 - "a neat round coin, lustrous, attractive, over a reddish tone, good very fine" - £8,000
Samuel King, Spink 173, 5 May 2005, lot 81 - "a neat round coin, with attractive golden lustre over a reddish tone, good very fine" - £4,200,
SNC, July-August 1971, no. 7516* - well struck, choice, extremely fine - £250
Estimate: £10000 - £14000