Abstract: A rotationally adjustable display device is described. In some embodiments, the device invention comprises a base plate that includes an interior face, an exterior face, and a channel extending through the interior and exterior faces. The device further comprises a locking disk that includes a securing post extending substantially perpendicularly therefrom. The securing post is dimensioned to pass through the channel of the base plate. The device further includes a display element having an outer face and an inner face. A rotation selection post extending substantially perpendicularly from the inner face and has an outer surface including a series of facing surfaces and an inner channel dimensioned to accept and engage the securing post. The device further comprises a rotation selection plate. The display device is substantially rotationally immobilized when the securing post is engaged with the inner channel of the rotation selection post.