Vintage Levi Strauss jeans Sears Roebuck 4" pin button Levis mountain 70s promo

vintage - approximately 1970s promotional advertising pin back button Sears store promoting Levi's jeans 4 inch diameter - very large button there can't be that many of these in circulation and I have very rarely ever seen them available for sale. these were promotional pins for Sears employees to wear advertising a "mountain" of Levi's jeans