Marler Type N

(i) A vertical line in each spandrel 

(ii) The top of the frame extends through the top left frame junction line

(iii) A minute dot in the right numeral box to the right of "2" 

(iv) A spur outward and another downward from the lower right corner 

(v) A dot 1.25 mm below the right side of the right numeral box.

Plates Used: 90

Earliest reported use: Feb 7, 1916