Quote Originally Posted by Tiana View Post
Nameplate.
Coat of Arms.
Frame.
Illustrative inset.
Woodcut.

Lots of phrases you can use, but I don't think it has a 'name', they're just insets with illustrations.

You would be better off going to a historical archive than punching in keywords, I think, as many of the best archives are badly tagged, if at all. Enjoy this fine collection, for example. https://digitalcollections.nypl.org/
Sweet! I found this, more or less exactly what I meant, in the first minute of searching:

https://digitalcollections.nypl.org/...8-00505686a51c