Richard C (Craven / Canard) - Original Mail Art envelope, drawing and note (Signed)

Richard C (Craven / Canard).  Original mail art envelope, drawing and note. Winston-Salem: Self Published, 1988. Envelope with drawing and note.   4 2/16" x 9 5/16". Very good.  Envelope with one torn side. Light soiling and edge wear.  Postal markings, a stamp and hand-written addresses.  Original mail art envelope and drawing made by Richard C + note from Irene Dogmatic originally mailed to John Evans, subsequently altered by Richard C and mailed back to Irene Dogmatic.  Envelope has rubber stamps and Irene Dogmatic's short-lived New York City address. Enclosed is a standard sheet of 8 1/2" x 11" paper on which is printed a cat, now bearing a drawn thought balloon (? Dogmatic)and joined by a duck's head with its own thought balloon (? Canarda) and signed Richard. Also laid in is an awkwardly folded note to John Evans from Irene Dogmatic written on the back of a sushi menu from a restaurant in San Francisco. Bearing stamps from Evans' Avenue B School of Art, but also sperm like