1920: white on blue (actual size 4 9/16" x 11 15/16")	1921: black on orange (actual size 4 9/16" x 11 15/16")	1922: orange on black (actual size 4 9/16" x 11 15/16")
1923: light orange on silver (actual size 4 7/8" x 12 7/8")	1924: black on yellow (actual size 4 7/8" x 12 7/8")	1925: black on white (actual size 5 1/2" x 11 3/8")
1926: black on orange (actual size 5 1/2" x 11 3/8")	1927: orange on dark blue (actual size 5 1/2" x 11 3/8")	1928: green on tan (actual size 5 1/2" x 12 15/16")
1929: deep yellow on black (actual size 5 1/2" x 11 15/16")

Please note: Colors shown in these images may vary from the actual plates due to variations in scan settings and individual monitors. Nearly all the plates shown were used on vehicles so additional color variations are possible from fading and abrasion.

View images of plates by decade: