Ink Drawing on Board of Boxers, c. 1920s, Signed G. Giardenella (Some Damage) colorful drawing I've found others of these

I've found others of these selling out there for more than $2K

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

with some truly gorgeous areas of detail that one might do all sorts of things with

ready to do its job

and all of the hooks tightly attached

Ink Drawing on Board of Boxers, c. 1920s, Signed G. Giardenella (Some Damage) colorful drawing I've found others of theseI 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