Thank you AI and LoLeva,
I imagine the heart, with a single 3;
yet, I have the feeling based on the context as well, that the sign ''<'' would rather be the jester's hat.... a 3 could be the glasses, but 2 ''3''?? lol...
if anyone has other clues... thank you!
(I don't want to ask the author!!!)
have a good evening everyone