|Note_en=Advertising for a series of ''[[The Swan Pen]]'' models, with some eyedropper ''[[overfeed]]'' showing models with decorations and overlay and mentioning size 1, 2, 4 (numbered 4872 MED) and 5. | |Note_en=Advertising for a series of ''[[The Swan Pen]]'' models, with some eyedropper ''[[overfeed]]'' showing models with decorations and overlay and mentioning size 1, 2, 4 (numbered 4872 MED) and 5. |