Petroleum Jelly c. 1950s Hand-painted Make Do Cardboard Sign eastern European embroidery producing the same scale a

producing the same scale a semitone higher in each hole

it looks 1940s or so to me

It would be easy to take apart to frame some of the pages

with more than a few dings and some paint loss

excepting one fine split in the wood near the top that was at one point (I am guessing long ago) glued tightly back together and is barely noticeable

Petroleum Jelly c. 1950s Hand-painted Make Do Cardboard Sign eastern European embroidery producing the same scale aThis sign was painted on the back of two joined overapping pieces of cardboard packaging, including one for "Nu Style" Peppermint Patties, which pretty definitely dates it to the 1950s, and would strongly suggest it was made in a grocery store for actual store use. It also suggests that this store was pushing a generic brand of petroleum jelly, perhaps its own store brand, rather than promoting Vaseline (which had been invented in 1870; the wikipedia