Miyagawa Isshō's "Spring Pastimes" screen from c. 1750 shows a lot of men-on-men flirting and love-making.
The only surviving complete frescoes from ancient Greece show a drinking party scene of male lovers, c. 470 B.C. Hot stuff.
The complicated Duncan Grant-David Garnett-Vanessa Bell relationship took a truly peculiar twist when Angelica Bell, daughter of artists Vanessa Bell and Duncan Grant, married David Garnett, who had been the lover of her father not long before her birth.
The Warren Cup, a 1st Century AD Roman banqueting cup, features two finely wrought low-relief sculptures of male couples making love. Once a closely guarded secret treasure, it now belongs to the British Museum.
Francesco Algarotti, sometime lover of Lord Hervey and Frederick the Great, was a key figure in spreading art, music and architecture criticism throughout 18th century Europe.
Late in life, openly gay artist Charles Demuth produced several sets of homoerotic watercolors, none of them shown publicly until after his death in 1935.
Artist and set designer for the Ballet Russes and the Metropolitan Opera, Serge Sudeikin lived with his wife Olga Glebova and poet Mikhail Kuzmin for a time, until Glebova kicked Kuzmin out for having an affair with her husband.