Around 32mm in size

That´s exactly the right wording for these Calatravas. Many other brands have also made similar designs in this period but magical reasons you would always be able to recognize a PP among all others. Your new addition is just superb and completes your tri

from ref 2506 rectangular pink gold PP from possibly the 1940's famous PP crown from 2526 platinum 1593 . Interestingly the YG one does not have a calatrava cross I also have other from the same era with no calatrava on the crown. Not sure which models di

PP ref 1593 platinum PP ref 2526 PP 1930 pink gold -no reference number PP ref 2506