B6 Eastman and Goodwear question epaulet

Hi All
I noticed the difference in sewing epaulet in GW vs Eastman
In Eastman epaulet they are sewn Next seam shoulder .In GW epaulet they are sewn On seam
Epaulet in Eastman of they go forward, roll off their shoulders

pics Eastman epaulet (roll in down )

https://www.eastmanleather.com/eastman-p-178.html

and pics GW epaulet

which is historically correct? does anyone make a mistake ? Maybe both are historically correct?
best regards
txs for help