CNG 109, Lot: 926. Estimate $2000. Sold for $1700. This amount does not include the buyer’s fee.

STUART. Charles I. 1625-1649. AV Double-crown (26mm, 4.51 g, 8h). Group F, class II. Tower (London) mint; im: triangle (over anchor on rev.). Struck 1639-1640. Crowned bust (sixth ‘Briot’s’ bust, bust 10) left; X (mark of value) to right / Crowned coat-of-arms; crowned C R flanking. Schneider, Tower, standard type; Brooker 175 (this coin); Schneider 211 (same obv. die); North 2177; SCBC 2706. VF, some areas of weakness. Extremely rare, one of three recorded by Schneider.

Ex Magnus Collection (Spink 212, 28 March 2012), lot 928; Spink Numismatic Circular XCVII.1 (February 1989), no. 122; D. Duprée Collection (purchased en bloc by Spink, 1989); John G. Brooker Collection, 175 (purchased en bloc by Spink, 1986); Richard Cyrill Lockett Collection (English Part II, Glendining, 11 October 1956), lot 2223; Sir Kenyon Vaughan-Morgan Collection (Sotheby & Co., 17 June 1935), lot 113.

Herbert Schneider contended that the Group F Double-crowns with mint mark triangle were struck from a personal obverse ’test die' of Nicholas Briot and could be regarded as Briot / Tower mules.