Banco Nacional de Angola, specimen 10,000 Kwanzas, 2012, serial number AA 000000, Massano Signature, red SPECIMEN overprint in Cyrillic, uncirculated, a rare specimen of a denomination that was never issued
TBB B551s, Pick 156 £500-£600

A 10,000 Kwanza was a previously unknown denomination for the 2012 series with no issued notes known. The notes were presumably produced as a precaution in the event of inflation and a larger denomination being required.