Mauch Chunk, Pennsylvania. Lehigh Coal & Navigation Co. 1840s $5. PMG Gem Uncirculated 65 EPQ. Proof. Proof. Printed on India paper and mounted to cardstock. This was a long-lived vertically integrated mining and transportation company that was in business from 1822-1967 (although not officially dissolved until 1988). This note / bond is a large format design that includes an oval medallion-like cameo head and engraved facsimile corporate seal and a view of Mauch Chunk. The first example of this type that we have sold. Great condition and Rare.