Pittsburgh, Pennsylvania. $20 1882 Date Back. Friedberg 552. The Duquesne NB. Charter #2278. PMG Gem Uncirculated 66 EPQ. This beautifully printed $20 National Bank note has vivid inks portraying the Battle of Lexington at left while Columbia leads a procession at right. An ideal plate impression presents sharp details of this well executed design. Ample margins and bold blue overprint inks are also of note on this well preserved Date Back. Deep embossing from those overprints are prominently displayed on the back of the note. The stamped bank officers signatures are featured in bold inks as well.The Duquesne National Bank of Pittsburgh was chartered in June 1875 and went on to issue nearly $10.7 in National Currency notes before going into receivership in November of 1932. There was $43,090 in large size outstanding on the bank at its close.