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In [[1948]] ''Stiassi e Tantini'' was closed, but the Tantini family continued its activities for some time with ''P. Tantini & C Srl'' company. In Bologna a business under this name  was opened, but the fountain pen production does not extend beyond the 50s. With the crisis resulting from the success of the disposable ballpoint pens the assets of the company was diversified in the business of ink, office supplies, and knickknacks, until the final failure occurred in [[1972]].

In [[1948]] ''Stiassi e Tantini'' was closed, but the Tantini family continued its activities for some time with ''P. Tantini & C Srl'' company. In Bologna a business under this name  was opened, but the fountain pen production does not extend beyond the 50s. However a mention of F.I.S.A. as a fountain pen factory remains in the [[1956]] ''General Yearbook of Italian Industry and Product'' (see [[:File:1956-Annuario-Generale-Industria-Stilografiche-C.jpg|this excerpt]]). With the crisis resulting from the success of the disposable ballpoint pens the assets of the company was diversified in the business of ink, office supplies, and knickknacks, until the final failure occurred in [[1972]].