Amazing Stories vol. 2, no. 12 (March 1928)
OK this is wild. Not a horrible depiction of asian people, I guess? But full of clichés anyway. I think the most unusual thing about it is the hooded onlookers, somewhere between Muslims and Ninjas.
Original magazine: https://archive.org/details/Amazing_Stories_v02n12_1928-03_sas
@SFFMagazineCovers
This is very much in the tradition of posters for famous "Oriental" magicians around the turn of the 19th century (most, if not all of which, were white people in yellowface ) who may have helped cement popular Asian stereotypes for at least the next century.