1911 Arkansas (first issue).

1912 Arkansas.

Undated (1912) California prestate.  This unusual porcelain prestate has the Automobile Club designation on the bottom.  Most of these plates have this designation at the top, hence their nickname "Mickey Mouse" amongst collectors.

Undated (1912) California prestate.  These prestates with the automobile club logos on each side are nicknamed "Dogbones."

1914 California (first issue).

1914 Colorado.

Undated (1907) District of Columbia (first issue).  Several versions of this first issue plate exist.  This one is the earliest version, made by Lamb & Tilden.  These plates were only made for numbers 100-2,500.

Undated (1912) Kentucky.

Undated (1904) Massachusetts (first issue).  This plate is marked on the back "84" in yellow porcelain, indicating that it was made in the eighth month (August) of 1904.  Like the D.C. first issue above, later years of Massachusetts Auto Register plates had much larger lettering on them.

1913 New Jersey.

Undated (1908) Rhode Island (first issue).  The owner of this plate fitted it with leather straps on either side.  Rhode Island collectors have distinguished three distinct types of first issue plates.  This one is a Type 3.

Undated (1909) Virginia (first issue).  This is the last year of issue for this multi-year plate.  Earlier years had the "VA" at bottom right, instead of centered top to bottom as with this plate.

1911 Virginia.

1909 West Virginia.  This is apparently the lowest known number for 1909.

1912 West Virginia.