Conversation so far:
Where was Robert Rauschenberg born?
Port Arthur, Texas
When was Robert Rauschenberg first art recognized?
What piece of art made Robert Rauschenberg famous?
Canyon (1959)
Where was Robert Rauschenberg first show?
In 1951 Rauschenberg had his first one-man show at the Betty Parsons Gallery.
Any there other shows that are pertinant besides Rauschenberg's first show?
1954 had a second one-man show at the Charles Egan Gallery.

Question: Has any of his art gone up for sale?
Self-contained rewrite: Has any of Robert Rauschenberg art gone up for sale?