this section is focus on early rolex oyster with different dial name examples everest, firefly etc, retailer signing examples burcherer, mappins etc, special configuration examples half roman half arabic, military 24 hours etc, special dial material examples enamel dial, cloisonee etc.
examples in the picture is a oyster royal observatory with 24 hours inner dial, Sold.
first series manual bb, the best scientific dial
this is probably the best scientific dial rolex ever made after the enamel scientific, very seldom seen sub sec version, 3 pieces case, predecessor to bb, excellent early oyster example.