Actually I think by law you need to show country of origin, that does favour local producers as people don't mind paying a bit more for local produce.
FYI some thing didn't seem quite right with the booking for the place down south, so sent a message to the owner. He got back to me and it's all good, have the address, how to get into to the house ect
O my son went to Mona today, he said it was an absolutely incredible experience and will do it again. Seems taking him to art galleries when he was young was not a waste of time