Pennsylvania Folk Art Turtle Pull Toy c. 1930s huge handthrown pottery platter with four separate setting dials

with four separate setting dials on the back

though quite an unusual one--I've certainly never seen a game of boules/lawn bowling depicted on a trench art piece

but also what feels perhaps like some paper inside his belly

4 3/8” t x 5 13/16” w x 2 7/8” d

which appears to be signed by hand on the far left side of one face

Pennsylvania Folk Art Turtle Pull Toy c. 1930s huge handthrown pottery platter with four separate setting dialsI've seen a number of folk art turtle stools in this manner, made in Berks County, Pennsylvania I believe, but this is the first pull toy turtle I've come across and it's a pretty fun one. (Since finding this one, I've found a few other examples sold at auction.) It looks to me like it is the original string still attached, and pulling on it sets the two wheels on the underside turning, which are attached by wires to the front and rear of the body, so