Watch List notes:

(g) Edward VII (1901-1910), Matte Proof Sovereign, 1902, by de Saulles and Pistrucci, bare head right, rev. St George and Dragon, edge milled, 8.00g, 12h (W&R 406; cf. MCE 621; Spink 3968), some cabinet friction, otherwise much as issued.
NGC PF61 MATTE (Certification #5880391-003)
, https://www.ngccoin.com/certlookup/5880391-003/61/
Estimate: £400 - £500