Allegheny County, Pennsylvania. Greensburgh and Pittsburgh Turnpike Road Company. ND (18xx). $1. Very Fine. Remainder.;(Hoober 143-4) Imprint of A.F. Marthens, Pittsburgh. Woodcut plate impression. Horse drawn wagon at center. This scarce One Dollar note would have been receivable for payment of tolls or other debts due to the company. This example is unissued but bright with a well inked impression. Hoober gives this note a R-7 rarity rating, indicating 1 to 5 known.