Photo of a [[Blackbird]] ([[Swan]] sub-brand) [[lever filler]] model [[Blackbird 46|46]] in ''Lapislazuli'' [[celluloid]]. Marked for commemoration of the dinner of the ''National Council of Girls Clubs'' of April, 6 1938. | Photo of a [[Blackbird]] ([[Swan]] sub-brand) [[lever filler]] model [[Blackbird 46|46]] in ''Lapislazuli'' [[celluloid]]. Marked for commemoration of the dinner of the ''National Council of Girls Clubs'' of April, 6 1938. |