According to @rovercrc, the Sr Manzano NFT saw an impressive increase in value, moving from a free mint to a floor price of 4.32 SOL. This significant growth highlights the potential profitability of NFTs in the current market. The success is attributed to @SrPetersETH, who has been instrumental in reviving interest in NFTs. Traders are advised to consider holding at least one of these NFTs as part of their portfolio.