Unsure of Kasakara's age

[Edster]

Jim,

Here's a 2015 thread that noted half-moons on European swords back at least to the mid-18th C. The styles and details are varied enough for them to be wide spread.

Also, Post #4 has blade engravings much like those on your crock sword.

http://www.vikingsword.com/vb/showthread.php?t=19794

Best,
Ed