i came acros this old topic when searching for a source to post in this reply.
Im not sure if it’s oky to reopen this.
But if anyone is searching for info on green gages, doree/bravy/brahy this might be a nice addition.
the “origional” green gage in the EU is often called Reine Claude verte.
It has green skin and green fruit flesh.
This article (dutch use google translate.)
Goes into
reine claude de brahy and bravy and also talkes a little about reine claude verte.
It is mainly about " brahy"
https://edepot.wur.nl/412447
It says the fruit is significantly larger and the tree has larger leaves and grows faster. Is also supposed to produce easier/earlier. But still not reliably every year.
This is an really extensive source on everything greengage (google translate)
https://www.vriendenvanhetoudefruit.nl/wp-content/pruimen/reine_claudes.htm
It says, “bravy”
loose stone, yellow / orangeyellow or greenyellow fruit flesh, less aromatic than reine claude verte (origional green gage)
tree can deal better with colder climate and grows faster than reine claude verte.