Tetrabid-Organon (Tetracycline Hydrochloride) Capsules in Pen Ballpoint pen containing two medicinal capsules, yellow and dark purple in colour, enclosed at the end of the barrel. The following written on the pen: "Bronchitis - Tetrabid-Organon" [brand name for tetracycline hydrochloride] and "ONE 250mg CAPSULE TWICE DAILY". Item presumably made and distributed for promotional purposes. [1970s-1980s]