|Note_en={{Dating|seller}}. Dating from the citation of April 22, 1938 as the date for the autorization in a drug advertizing and by the reference to the first half of 1938 for a subscription shipment. Advertising for the [[Lucens]] model. | |Note_en={{Dating|seller}}. Dating from the citation of April 22, 1938 as the date for the autorization in a drug advertizing and by the reference to the first half of 1938 for a subscription shipment. Advertising for the [[Lucens]] model. |