N.Y. Agric. & Mkts. Law § 155

§ 155. Notice to be posted. No person shall engage in the sale of\nadulterated turpentine, adulterated linseed oil or adulterated boiled\nlinseed oil, in original packages or other than original packages,\nunless there are posted conspicuously in the room where such goods are\nsold, signs bearing the words "Adulterated Turpentine sold here," or\n"Adulterated Linseed Oil sold here," as the case may be, in legible\nletters in the English language at least two inches in length and one\ninch in width, said letters to be in black on a white background.\n