German Mechanical Walking Dog "Trippel-Trappel" by Bing

12" (30 cm.) Brown-spotted white mohair pup with long floppy ears, amber glass eyes, light brown stitched nose and mouth, swivel head, tail, brown leather collar with leash, has hinged legs with hidden metal wheels allowing the pup to be pulled along in a brisk walking action. The dog has original red metal tag "DRGM D.R. Patent Trippel Trappel BTE SGDG Engl. Patent, Amerik Pat. Appd For" and with Bing logo on reverse side. Excellent condition, mohair well preserved. Germany, Bing of Bavaria, circa 1912, the toy was made in a variety of different dogs, but is very rare to find especially in this fine condition.