Watch List notes:

The Uvedale Collection | AU Details | William III (1694-1702), Half-Guinea, 1695, 'F over small E in FRA error', first laureate head right, clogged Vs giving the semblance of inverted As for Vs in GVLIELMVS, rev. reads ERA for FRA, crowned shields cruciform, sceptres in angles, four strings to early harp, seven billets, edge obliquely milled, 4.18g, 6h (EGC - [cf. 429]; MCE 189; Spink 3466), lightly cleaned, otherwise residually lustrous, a pleasingly uniform and compact striking, good very fine, the legend error previously unrecorded in the major reference works, extremely rare thus, in NGC holder, graded AU Details ~ Obverse Repaired (Cert. #6135268-018).
Purchased September 1997
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https://www.ngccoin.com/certlookup/6135268-018/NGCDetails/
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With the recent publication of Bull's corpus of English Gold Coins, collectors will undoubtedly pay closer attention to legend varieties, overdates and die-sinker's errors previously overlooked in this extensive and popular series. New discoveries however remain very rare. Nevertheless, the present example provides another important discovery, missed by the latest Bull publication and by our annual catalogue, as well as surprisingly, by another well-known London auctioneer in a sale in the Spring of this year (DNW 190, 6 April 2021, lot 519), of which this coin is evidently from the same dies as that presently offered.
Estimate: £500 - £800