A 5 7/8" x 3 3/8" lightly coated stock advertising business card for "Braunschweiger Mumme" Malt Extract.  Long Island Bottling Co., Brooklyn N.Y.  c.1895.  It is actually a tonic for those who have digestive disorders and a the appearance of nervous disorders.  Available through your physician...  Artistic printing with decorative element with wheat and hos.  Reverse is blank.