Ace Gallery exhibition flyer for Keith Sonnier's 1973 exhibition. The document includes a floor plan of the gallery and a short list of works including "amplified long and short wave radio receivers" and "32 air tracks" which is in keeping with Sonnier's sound based installations and performances. Sonnier is known for his radical and new use of materials, unbridling sculpture from its past, neon and sound based installations. Postmarked.
Condition: Good, creasing along top of the mailer.