The CVA series has a long history, starting from the 1920s and continuing to the present; its original aim was to record vase collections by providing a record of each vase with small photographs and basic information, such as short description, attribution, date, and bibliographic record of each piece, but little or no commentary. Over time and in some countries, the series developed into detailed annotated catalogues and, on occasion, monographic volumes treating, for example, a specific shape within a given collection (cf. W.