Tintype, 3 ¾ x 2 ¾, Early, ca 1860 image of child on tricycle. Appears to be a metal “boneshaker”. Boneshaker  is a name used from about 1860s up to the present time to refer to the first type of true bicycle with pedals, which was called velocipede by its manufacturers. "Boneshaker" refers to the extremely uncomfortable ride, which was caused by the stiff wrought-iron frame and wooden wheels surrounded by tires made of iron.
Fine condition. tt072