PURPOSE: To eliminate the sticking operation by an adhesive material of a display seal to the surface of a dummy can for an automatic vending machine by providing a locking means on the back surface part of a dummy can main body, freely attachably and detachably locking the ent part of the display seal to the locking means and attaching the display seal to the front surface part of the dummy can main body.

CONSTITUTION: The front surface part 12a of the dummy can main body 13 is cylindrically formed and the back surface part 12b is formed in a flat surface shape. On the edge parts of the upper end part and the lower end part of the back surface part 12b in the flat surface shape, a pair of upper part locking means 16a and 16b and a pair of lower part locking means 16c and 16d which are respectively opposing each other are provided. Then, one end part 26a is attachably and detachably inserted and locked to the upper part locking means 16a and the lower part locking means 16c. Also, the other end part 26b is attachably and detachably inserted and locked to the upper part locking means 16b and the lower part locking means 16d and the display seal 26 is convered on the entire surface of the front surface part 12a and is surely attached. Thus, the need of the sticking operation of the display seal 26 to the surface of this dummy can 12 is eliminated.