|Note_en=stands for '30s beginning, probably before [[Leverless]] launch of 1932. Advertising for some set of [[Swan Self-Filling]] [[lever filler]] models, [[overlay]] and lady version and [[Swan SF 230|SF 230]]. {{OnBack|File:193x-Swan-Brochure-Lohengrin-Int.jpg}} | |Note_en=stands for '30s beginning, probably before [[Leverless]] launch of 1932. Advertising for some set of [[Swan Self-Filling]] [[lever filler]] models, [[overlay]] and lady version and [[Swan SF 230|SF 230]]. {{OnBack|File:193x-Swan-Brochure-Lohengrin-Int.jpg}} |