SaveFeb 19, 2026Collection of Hidden Compartment Puzzle Boxes. 20th century...Potter & Potter Auctions4.6(604)Est. $500-$700$250
SaveFeb 19, 2026Four Square Tangram Sets. Includes: a seven-piece engraved ...Potter & Potter Auctions4.6(604)Est. $150-$350$80
SaveFeb 19, 2026Tangram Puzzle Collection. V.p., ca. 1890s–1980s. Group of ...Potter & Potter Auctions4.6(604)Est. $300-$600$150
SaveEnds in 3d 9h19th C Chinese Nine-Section Sweetmeat SetChairish Auctions4.5(10.3k)Est. $450-$550$190
![Four Square Tangram Sets. Includes: a seven-piece engraved ...: Four Square Tangram Sets. Includes: a seven-piece engraved mother of pearl tangram set in wooden box; one carved wood set with intricate design (lacking one piece); [and] two celluloid Palitoy Hao-Wan](https://p1.liveauctioneers.com/928/404148/224443078_1_x.jpg?height=280&quality=70&sharpen=true&version=1769468136&width=280)
