Original Bike Chain Lock Book the spine has some wear

the spine has some wear and tear and a few rips and is coming apart slightly

measuring about 1 3/8" across

Bust - 39 1/2"- 40"

You can spend decades searching and will likely never even have the opportunity to buy a good one

a European size 33

Original Bike Chain Lock Book the spine has some wearOriginal pre war and very rare chain type bike lock. Marked Made in Germany with a wing and wheel motif it still has its key. It is in good condition, currently coated lightly with oil. It works well. These are very hard to find, as it was not a common style of lock. Its style and construction indicate it is likely pre 1920's. The advertisement is from the 1931 Stukenbrok Hauptkatalog. It is a total of about 14 1 8" long.