The JML toy company (Jouet Mécanique Lyon) was founded in Lyon, France in the 1930s by M. Magnin and was located at 26 rue Chalopin. They were particularly successuful with a series of toy motorcycles. The firm also produced cars and trucks. Toy production ceased around 1960.
JLM prodcuced more than 20 different versions and variants of mode model motorcycle toys between 1935 and 1958.
What's it worth? Take a look at this Jml price guide: sold listings for a value indication.