Art is not a very liquid investment. True. To consider art as an alternative currency might be exaggerated.
However, if we can get liquidity from other assets, certain specific pieces of art can be both enjoyable and the perfect store of value in the long term.
While it is easy to buy gold (all Philharmonics are the same), you need independent help to buy gold. A good advisor not connected to an art gallery can be the best idea, also in order to get the best prices.