Farmer

1969

This is a pretty nice number, gotta love the XYZ. Farmer plates started at XYA-100.

1982, reflective

Plates then went to XYA-10A format; they started off reflective.

c. 1979 sample
March 1986

The XYA-10A format continued into the blue base and graphic base.
November 2002, first-generation 3M sheeting
May 2008, second-generation 3M sheeting