PMG CU 64 - Issued 10-7-70 to 3-15-73 - Hard to find Replacement note missing the suffix letter. Front is purple and light orange with a portrait of the American Indian, Chief Ouray which was engraved by F. H. Noyes. Back is blue and purple with dam at center. As of 11/24 PMG has graded a total of 21 Series 692 $20. 00 replacement notes in all grades. Only 3 grade better than the note offered here.