|Note_en={{Dating|backco}} Advertising for a [[Waterman 55|55]] model with mechanical pencil referring to the ''[[Advertised Feature::rippled]]'' hard rubber, calld ''[[Ripple-Rubber]]'' and to the ''[[Treasure Chest]]'' packaging. | |Note_en={{Dating|backco}} Advertising for a [[Waterman 55|55]] model with mechanical pencil referring to the ''[[Advertised Feature::rippled]]'' hard rubber, calld ''[[Ripple-Rubber]]'' and to the ''[[Treasure Chest]]'' packaging. |