A Website for Porcelain License Plate Collectors & Enthusiasts
|Note the layout of the Type 1 plates with the
placement of the word "Mexico" and the
inclusion of a period after both "BAJA" and
Sometime around plate #1000, it appears that a
second (Type 2) order was made, with the
country name moved and the periods omitted.
|As was the case with New Mexico porcelain
license plates in 1920, the first Sonora plates
temporarily carried a "1921" designation.
However, at some undetermined point, once
the re-validation tags were being issued, the
date was no longer needed and was dropped.