Color and Pattern Study on Lightweight Cardboard - No. 43 figures in white I've looked but have not

I've looked but have not been able to find another quite like it so am not sure of the maker and it is unmarked

Ink and watercolor on the back of what appears to a letter/advertisment from a Parisian seller of hygienic wash basins and medical equipment

This is a terrific set of four Jugtown Pottery earthenware mugs and saucers in Jugtown's iconic orange glaze

made in Japan circa 1940s

Color and Pattern Study on Lightweight Cardboard - No. 43 figures in white I've looked but have notI just picked up six of these brilliantly colorful pattern paintings on lightweight board and think they are just gorgeous. They are hand numbered in pencil at top center (this one is the highest number of the group: 43; so there were once a whole lot of these). My guess is that they were a (well done) art design school exercise, but at some point, also in pencil, prices ranging from 60 (. 60) to 1. 75 were added at top right, reiterated with hand