Robuta

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https://www.sothebys.com/en/auctions/ecatalogue/2019/contemporary-art-evening-auction-l19022/lot.21.html

https://www.sothebys.com/en/buy/auction/2021/contemporary-art-online-4/concetto-spaziale

https://www.christies.com/lot/lot-lucio-fontana-concetto-spaziale-5700074/?from=salesummery&intobjectid=5700074