Watch List notes:

(x) NGC XF40 | George I (1714-1727), 'Roses and Plumes' Crown, 1718 over 6 QUINTO, laureate, draped and cuirassed bust right, rev. crowned shields cruciform, roses and plumes in angles, eleven strings to harp, lettered edge downwards, 29.88g, 6h (Pywell-Phillips 257; Bull 1542; ESC 111A; Spink 3639), scuffed by REX and on cheek, the surfaces rubbed and toned down, otherwise very fine, in NGC holder, graded XF40 (Cert. #4250934-013).
Provenance
Heritage, CICF Signature 3046, 14 April 2016, lot 30065 - $1,400
Kroisos, Stack's, 14 January 2008, lot 2899 - $1,100
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https://www.ngccoin.com/certlookup/4250934-013/40/
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Both Bull and ESC list QVINTO in error. The Spink Standard Catalogue gives QUINTO.
Estimate: £1000 - £1500