Caracas, Venezuela, Banco Mercantil y Agricola, 20 bolivares front proof, ND (1929-1935), printed on ABNCo advertising card. SCWPM-S232p. Rare uniface front proof printed on American Bank Note Company (ABNCo) advertising card with a list of 58 countries the company produced banknotes for on the back. Bright, original UNC note with minor cardstock handling and staining but not on the note itself. (Estimate: $200 - 300)