This vintage ink blotter advertises Cole's Asminyl, a medication for quick relief of asthmatic paroxysms, produced by the Cole Chemical Company in St. Louis, Missouri, U.S.A. The advertising text prominently features the product name and usage details, including the composition of each tablet with specific dosages of Phenobarbital Sodium, Ephedrine Sulfate, and Theophylline Alkaloid. The blotter's design highlights the promise of rapid relief for bronchial asthmatic spasms, making it a unique piece of pharmaceutical advertising history.

The blotter displays strong graphics with green and yellow ink on a white background, featuring stylized lettering and cloud motifs that evoke a sense of breath and air. The back is covered with classic blue blotting paper, intended for practical desk use. Although no exact dimensions are printed or visible, this piece is a collectible example of mid-20th century advertising ephemera and desk accessories, prized by collectors interested in medical, pharmaceutical, and vintage promotional items. The piece is free from artist or printer credits and does not include additional features such as calendars or coupons.