M = Letter code to corresponding month (A = January, B = February, etc.)Įxample: R01B0123 = Peerless Korea / 2001 / February / unit 0123.Y/YY = Year of manufacture (Single digit for some 1997 and earlier models).
F/FF = Factory code (No factory designator for some 1993 and earlier models).NOTE: Pre 1994 productions also frequently omitted factory letter codes and appeared as all numbers. In 2008 models begin to appear without a factory i.d.
