The larger one measures approximately 13" tall by 8 1/2" wide at the widest point. The 2nd one measures approximately 10" tall by 7" wide at the widest point. The 3rd one measures approximately 8 1/2" tall by 6" wide at the widest point.
Only the larger one is initialed S P on the back but all 3 were done by the same talented artist. Brought back Poland in the late 1980s from a collector who visited the Tatra Mountains region.