Pill Identification by Imprints: M 1820 Home Pill Identification by Imprints: M 1820 1 result METHYLPHENIDATE ER 20 MG CAP Side 1: M 1820 Color: Medium Blue Side 2: 20 mg Shape: Oblong Other Popular Drug Imprint FENTANYL 200 132 N004 PBT logo and 038 647 CL10 PY 1 West-ward 210 L852 L 230 10 VALIUM 48 10 GC par 753 WW 174 TL042 300 mg 125 FP M 722 CYP 160 L181 144 TEGRETOL AHI VBZ 80 WW 63 717 E 71 TV U4 US 14 61 61 AK 160 7 98 CL 75 K 8 M162 PE 669 S 521 1G