The commemorative badge of the Telephone Service is in the form of a circle resembling a telephone dial, on which is placed a triangular shield with the letters "ST", from which lightning bolts - symbolizing communications - spread. The badge is made of silver, has a diameter of 28 mm and is covered with enamel. The reverse side bears the manufacturer's initials WG, signifying Viktor Gontarczyk, and the state silver test "2". The whole is completed by a cap with engraving: W. GONTARCZYK / WARSAW / UL. MIODOWA No 19. Condition as in the photos.