His stuff always reminds me of construction-site hoardings a few months after the Post No Bills stencils have been covered up by layers of flyers and art and ads. Shreds of a hundred different messages, chaotically mixing meanings and styles . Fun to look at.
For me, and I believe for most Swedes of roughly my age, Monogram is his most famous work. It resides at Stockholm Moma and it was in a schoolbook. I think it was the geography book, representing Moma when reading about Stockholm.
I went there to see the exhibition Rauchenberg Combines about 15 years ago. I also saw the goat!