Fr. 18. 1869 $1 Legal Tender Note. PCGS Banknote Choice Uncirculated 64.Lovely hues of blue and green grace the front of this four-bordered 1869 Rainbow Ace. The back features the intricate lathe work from a bygone era of American art & craftsmanship and is showcased in dark hunter green ink. The Rainbow notes have long retained their popularity with collectors for their attractive coloration. PCGS Banknote Pop 1/1 Finer.