Barclays Bank (Dominion, Colonial and Overseas), Southwest Africa, colour trial £1, 1 June 1931, blue and green underprint, shepherd and three Merino sheep, reverse, bank seal with sailing ship at centre, (Pick 2ct, TBB B102), perforated, red SPECIMEN WATERLOW & SONS LTD in field, in PCGS holder 64 very choice new, rare