S3622/E1593/Bull?  Edinburgh mint, VERY Rare, sharply struck for this issue. The reverse doesn’t correspond to any that Bull has noted. It has seven strings to the harp and the reverse legend has no stops after BRI, ET, HIB and REX. Planchet flaw on obverse on queen’s neck. Nicely toned with a trace of cobalt toned lustre around the edges. The highest graded by NGC or PCGS, very rarely seen in grades above GF.   NGC AU58

NGC 2918080-007