I've looked at a ton of folkdräkter from Skåne, and many of them either do not use kerchiefs/shawls at all, or if so wear small ones under big floppy collars. Have you zeroed in on a province for Marit's yet?
Eura-dress is reconstruction based on Luistari tomb No. 56 (Western Finland) discoveries, including a string of pearls and coins. The coins in that tomb are mostly Arab, but there is also some germanic coins. The youngest coin is minted