Here, in contrast, the question whether there is a First Amendment exception for "commercial speech" is squarely before us. Our pharmacist does not wish to editorialize on any subject, cultural, philosophical, or political. He does not wish to report any particularly newsworthy fact, or to make generalized observations even about commercial matters. The "idea" he wishes to communicate is simply this: "I will sell you the X prescription drug at the Y price." Our question, then, is whether this communication is wholly outside the protection of the First Amendment. [ . . . ] Virginia is free to require whatever professional standards it wishes of its pharmacists; it may subsidize them or protect them from competition in other ways. Cf. Parker v. Brown, 317 U.S. 341 (1943). But it may not do so by keeping the public in ignorance of the entirely lawful terms that competing pharmacists are offering. In this sense, the justifications Virginia has offered for suppressing the flow of prescription drug price information, far from persuading us that the flow is not protected by the First Amendment, have reinforced our view that it is. We so hold.
Virginia State Board of Pharmacy v. Virginia Citizens Consumer Council, Inc., 425 US 728 (1976).