Color lithograph from 16 aluminum plates on Rives BFK paper 30 1/8 x 29 3/4 inches Edition of 60 with 20 artist's proofs Signed and dated in pencil «J Johns 76» lower right Numbered in pencil lower left With the Gemini G.E.L. blindstamp lower right Printed by Serge Lozingot and Mark Stock Published by Gemini G.E.L., 1976 (josephklevenefineartltd.com)
You are right print mixing is def a tricky business and if done well can look amazing as you have demonstrated here. (pennypincherfashion.com)
SEYMOUR, David «Chim» Page from an unpublished book, c. 1948 Three gelatin silver print mounted on green graph paper Upper left print size: 3 3/8 x 2 1/4 inches Upper right print size: 3 3/8 x 2 1/4 inches Lower right: 7 1/4 x 4 3/4 inches Mount: 11 x 7 1/4 inches (howardgreenberg.com)