Watch List notes:

Charles II (1660-1685), 'Royal African Company' Two-Guineas, 1678, Elephant and Castle, second laureate head facing right, elephant and castle below, rev. crowned cruciform shields, crowns with frosted inner rings, five strings to harp, sceptres in angles, interlinked C's at centre, edge obliquely milled, 16.69g [258.0grns], 5h (MCE 41; EGC 214-215; Spink 3336), lightly cleaned in antiquity, otherwise lustrous with hints of reddish-orange tone in recesses, an exceptionally uniform and bold striking of this notoriously soft issue, about extremely fine, very rare in this attractive high grade, in NGC 'St Helier' holder, graded UNC Details ~ Cleaned (Cert. #6684100-002).
Provenance
The St. Helier Collection of English Gold Coins,
,
Glendining, 26 January 1966, lot 12 - extremely fine and rare - £780.0.0 - the lot following the fabled 'Specimen striking' which sold for £950.0.0,
Glendining, 8 February 1962, lot 48 - "brilliant proof state, extremely rare thus - £290.0.0 [Spink]
, ,
https://www.ngccoin.uk/certlookup/6684100-002/NGCDetails/
Estimate: £10000 - £15000