Pittsburgh, Pennsylvania. Citizens Bank of Pittsburgh. May 1, 1861. $1. Very Fine.;(PA-520 G2a) ABNC. Printed in black with vermillion tints. The vignette at center depicts two allegorical females seated with a cornucopia, anvil and hammer and is titled Prosperity. Vermillion and black die counter "1" are seen at top left and right. Vermillion "1" counters are at lower left and right of center. The signature panel features vermillion microlettered "ONE" throughout beneath the engraved bank officers signatures. This is a very rare issued note with bold color that circulated only lightly. There are a number of tiny pinholes throughout that are seen only when the note is back lit.