British and Irish Banknotes

Isle of Man Government, W.Dawson, a pair of proofs for the £10, ND (1988), first proof obverse and reverse design as issued, without signatures or serial numbers, second proof obverse showing the under print only, the reverse design as issued, both printed on watermarked paper and showing colour bars, good extremely fine to about uncirculated (2 proofs)
IOMPM M525, Pick 36 £400-£600