|Note_en=before the 1927 company split, because only ''Alfredo Verga'' is mentioned. Showing a serie of [[safeties]] with 18k rolled gold [[overlay]]: [[Columbus 600|600]] (''tipo 600''); [[Columbus 620|620]] (''tipo 620'') and the telescopic [[Columbus 2785|2785]] (''tipo 2785''). Sixth page. | |Note_en=before the 1927 company split, because only ''Alfredo Verga'' is mentioned. Showing a serie of [[safeties]] with 18k rolled gold [[overlay]]: [[Columbus 600|600]] (''tipo 600''); [[Columbus 620|620]] (''tipo 620'') and the telescopic [[Columbus 2785|2785]] (''tipo 2785''). Sixth page. |