“E.M. & J.E. MIX ITHACA PATENT NOV 2, 1858”. 6″ high x 4 1/8″ wide x 1 1/4″ deep. Iron body. Iron shackle. Original key. I was told by John Guisti, who I purchased the lock from, that it was used in the Ithaca State Prison in upstate New York.Patent #22000. More… More…