The monogram reads ETSVI, or in reverse IVSTE -"Juste". Juste (ca. 1505 – ca. 1559) was a Franco-Italian sculptor and printmaker of the Giusto Betti family of sculptors from near Florence, who became known as the Juste family in France.
 
Engraving by Juste de Juste, Fontainebleau, circa 1543
Image extensively re-drawn.
A limited edition fine art replica giclée print © 2016 by Allen Bjorkman.