Abstract: An identification device for a necked container includes a ring-like base structure that is installed about a container neck, and indicia that is carried by the base structure for presenting container data. Preferably the indicia includes presentations of container data that are manually and machine readable. Preferably the indicia is protected from harm by a transparent cover. In one embodiment the identification device has inwardly extending fingers to establish a secure mounting about the neck of the container on which it is mounted. In another embodiment, locking pins are used to establish a secure mounting.