At one time, the Hampton Publishing Company of New York specialized in producing reading and activity books for children.
The “Letters and Numbers Stencil Book” (probably from the late 1940s or early 1950s) was the basis for Kiddie Stencil JNL.
This bold sans serif type style replicates the handmade steel rule dies used for cutting the stencil pages of the book, and is available in both regular and oblique versions.