I am 99.9% sure you are right - the two halves of the map are on two sides of the same paper mat, so two of them will do no matter if they come from...
ciao, I'm Sergio from Massa,
if you pass through the beatiful Tuscany contact me to play with this wonderful game
I wait for you!
....and I'll shoot down you!
medal, medal, medal... ihihihihhihih!