Question: Are all majesty neck profile the same?

From the original 2014 model to the newer 2019 model, passing by the Artisan and Monarchy models, as well as others I might of fogotten, are neck profiles, shape and size the same?
(The varying degree caused by hand sanding)

I feel in love with the neck on my 2019 Monarchy, where else can I find this neck shape?
– All other Majesty model?
– Any other JP models? (For instance, the JP-6 feels more flat / less round)