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The Second World War was a crisis period for business: the curtailment of raw materials, and the difficulty on gold procurement, led to the creation of steel nibs.<ref>another incorrect story tells that gold was prohibited by law from 1937 because the autarkic program of the fascist regime, but no such law existed and gold nibs pen are reported to be on catalogs up 1941, along with ''[[Platiridio]]'' nibs and ordinary steel nibs (marked ''Durium'').</ref>  As it happened to other companies [[Aurora]] sought to replace the lack of material inventing precious names, and called its alloy steel ''[[Platiridio]]''. In [[1939]] the [[Selene]], a [[button filler]] model, was introduced; it was made in celluloid with white metal finishes and a ''[[Platiridio]]'' nib.

The Second World War was a crisis period for business: the curtailment of raw materials, and the difficulty on gold procurement, led to the creation of steel nibs.<ref>another incorrect story tells that gold was prohibited by law from 1937 because the autarkic program of the fascist regime, but no such law existed and gold nibs pen are reported to be on catalogs up 1941, along with ''[[Platiridio]]'' nibs and ordinary steel nibs (marked ''Durium'').</ref>  As it happened to other companies [[Aurora]] sought to replace the lack of material inventing precious names, and called its alloy steel ''[[Platiridio]]''. In [[1939]]<ref>someone tell 1940, so this dating is not fully confirmed.</ref> the [[Selene]], a [[button filler]] model, was introduced; it was made in celluloid with white metal finishes and a ''[[Platiridio]]'' nib.