Type 21. The lower left frame junction line is broken between the top of the spandrel and line 1; the vertical line of the left numeral box is unbroken; the vertical line in the upper right is broken between lines 2 and 3; and the upper right frame junction line is broken the bottom of the spandrel.
Marler Type:
Plates Used:
Earliest Reported Use:
May 11, 1920