> a real banana and duck tape sold for $120,000, 3 times.
There's also the urinal that sold for $1.7M in 1999 https://en.wikipedia.org/wiki/Fountain_(Duchamp)#Art_market
There's also the urinal that sold for $1.7M in 1999 https://en.wikipedia.org/wiki/Fountain_(Duchamp)#Art_market