OLD SWITZERLAND 3-D CUBE JIGSAW PUZZLE  About 1930s. Measures about 2” X 2” X 2”. With paper label “Switzerland trade mark”. All 6 sides are Swiss scenery. Photos mounted on wooden jigsaw pieces. The only one I’ve ever seen and can’t find another one on eBay or anywhere else. In VG+ condition with NO soiling, stains, paper peels etc. .