No person shall remove, destroy, mutilate or alter the number of any bicycle frame of any bicycle licensed pursuant to this article. No person shall remove, destroy, mutilate or alter any license plate, seal or license certificate during the time in which such license plate, seal or license certificate is operative. However, nothing in this article shall prohibit the Police Department from stamping numbers on the frames of bicycles on which no serial number can be found, or on which the number is illegible or insufficient for identification purposes.
(1944 Code Ch. 5 §8.)