Replacement refers to a lost/stolen regular plate.

First issued ???? (not confirmed before 1922)

Last issued ???? (not confirmed after 1959)

normal passenger colors

marked "REPLACEMENT" 1923-1927?

leading R, followed by weight class/type letter 1928-1959? (RA for passenger light class; RX for dealer; RZ for motorcycle, etc.)

*not confirmed that single-letter R in the 1930's were or were not Replacement