Rolex Bubbleback & Semi Bubbleback varieties

What made collecting the Rolex Bubbleback and semi-Bubbleback interesting is the great varieties of dials and materials used. There are many different versions of Rolex Bubbleback & Semi Bubblebacks. 

Special Stars markers Semi Bubblebacks and Diamonds markers

Special Cloisonne dial Semi Bubbleback

Special Stars markers Semi Bubblebacks

Special Stars & diamonds markers Semi Bubblebacks plus Rolex Crowns bubbleback

Rolex Semi Bubbleback with Rose gold bezel and crown