Ink Drawing on Board of Boxers, c. 1920s, Signed G. Giardenella (Some Damage) colorful drawing I really love the long

I really love the long

called "La Belle Chocolatière

15" t x 3 3/4" w with arms down

with Yantra at center (the circle inside of triangle inside of circle)

Ink Drawing on Board of Boxers, c. 1920s, Signed G. Giardenella (Some Damage) colorful drawing I really love the longI haven't turned up anything of the artist who did this (based on my reading of the signature, G. Giardanella) but I know I have seen a related piece by this same artist elsewhere in person. In any case, while there is some cracking creasing to the board (see detail photos) along the top of the drawing (more visible in some lighting that others), I think it's a really great drawing portraying a boxing match that feels very intimate and sensual. (And