This scarce novelty uses the length of your finger to tell your "temperature of Love and Temperament". A scarce survivor from the 1920s or 1930s. Still works!
 
This comes with our exclusive OldJokes.co.uk Fact Card on the history of joke manufacturing in Germany.
 
Condition: Good, some minor wear and a few marks.
 
This is a vintage item and is being sold as a collectable, not a toy.