On eBay: "Big lot of 630 antique german bisque doll arms." High bid is just $5.50 (but shipping is $39).
More photos of similar auctions at Anonymous Works.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects