These are said to actually being regarded as faithful examples of our period swords; the wealthy owners adorned versions, of course
. I don't think these painted examples were 'portraits' of specific swords, but result of the artists visual experience.
Master Nuno Gonçalves did a unique work; that is a fact.
Some times we discuss these in the forum, like in
HERE ...
AND HERE.
I saw these huge panels in the National Museum of Antique Art. It is a breathless experience.
.