This Arnold toy is the scarce blue variation of the A643 motorcycle. Has original headlight, marked "Made in Germany" and "Ckao" on both sides of fuel tank. Also marked "A643" on both sides of front fender. Tin litho wheels marked "Union Cord" Circa 1930s. Extremely difficult cycle to find complete and in this kind of condition. Condition (Excellent). Size 7 - 1/2" L.