hard to tell if there had been a tang button, see fe examples on
there was a lively trade in arms in the 17th c.
parts were imported from everywhere and assembled into weapons in the Netherlands, fe blades from Solingen and Passau.
the Dutch arms market was a source for supply for everybody who wanted to wage war or was under attack.
In 1592 Sweden placed an urgent order for a regiment of 1500 people for the war against Muscovy in Holland; 200 muskets, 800 calivers,1000 helmets, 350 suits of armour , 1000 pikes , 500 rapiers and cutlasses and 30 drums. ( the arsenal of the world the dutch arms trade in the 17thC, p.14)