Watch List notes:

(x) Westminster Bank Limited, Isle of Man, specimen colour trial £1, ND (c.1929), no serial numbers, no signatures, dark brown on yellow underprint, crowned arms with triskeles, lion and unicorn at top centre, arms of bank in upper corners, value in guilloches in lower corners, reverse green, triskeles with motto, value in ornate guilloches either side, overprinted SPECIMEN WATERLOW & SONS LTD in red, once on obverse and twice on reverse, five punch holes,, (Pick 23ct, Quarmby 336, Banknote Yearbook IM16act, IMPM M308 for type), very faint mounting traces, otherwise about uncirculated to uncirculated and very rare.

Estimate: £700 - £900