eyelash markings found on swords
The "eyelash" or "sickle" marks of Genoa and elsewhere are well known and often imitated, that is, added to blades originating in German or the Caucausus.
A different type and pattern of eyelash marks appears frequently on swords in S.E. Asia.
Example of Eyelash marking on Thai Dha sword
Eyelash marks on Thai Village dha
See also the excellent discussion and examples on this thread in the Ethnographic Arms & Armour Forum.