Lock Haven, Pennsylvania. Lock Haven Bank. ND (18xx). $20. Choice Uncirculated. Face and Back Proof Pair.,(PA-260 Unlisted) Danforth, Wright & Co. Philad. & New York. India paper mounted on original archive book card. Red tinted title curved at top. Center, milkmaid seated on log, shield center, and wheat to right. Left end, "Durand Patent" denomination dual-band device. Lower right, Washington. Unique and the only example in the 1990 ABN sale. Paired with a red printed back. with a large 20 at center and die counter 20s to left and right.