Barclays Bank (Dominion, Colonial and Overseas), Southwest Africa, colour trial £1, 1 June 1931, no serial numbers, blue and green underprint, shepherd and three Merino sheep, reverse, dark grey and pale yellow, bank seal with sailing ship at centre,, (Pick 2ct, TBB B102), perforated, red 'SPECIMEN WATERLOW & SONS LTD' in field, in PMG holder 64 choice uncirculated.
Estimate: £400 - £600