DescriptionLeroy Lettering Template, Capitals, Lower Case & Numbers, made by Keuffel & Esser Co., no date, circa 1950s. Five each of different sizes with orginal packaging. White plastic facing laminated to black plastic core, 7/8" high x 1/8" thick x either 9-3/8" or 11-7/8" wide; engraved (alphabet on front; numbers on back) through white facing to display characters in black; stamped manufacturer's markings in red. Paper sleeve with applied printed label. 3240-100CL 3240-120CL 3240-140CL These are 9-3/8" wide. 3240-175CL 3240-200CL These are 11-7/8" wide. The templates were used for inked lettering on architectural & engineering drawings or maps. K+E factory was in Hoboken during most of the estimated period of when they were made. To be researched for more precise date of issue.