South Africa, ND (ca.1900), National Bank of South Africa, Limited £4 Pounds Sterling, P-Unlisted, Specimen Sola of Exchange, Black on light blue, back m/c, National Bank of S.A., Ltd, (with which are incorporated the Bank of Africa Ltd. and the Natal Bank Ltd). Red Specimen overprints, Counterfoil on left, Choice Uncirculated condition, Charles Skipper & East London. Rare if not unique Circulating Bill of Exchange. Interesting denomination.
Estimate: $85-170