Check the listing for details. 1970s Hallmark Thanksgiving Wheat Stalks Pin. Condition: Used, Made in United States. Listed at 13.50 USD. The 1970s Hallmark Thanksgiving Wheat Stalks Pin is a small, seasonal-themed lapel pin made of plastic. Manufactured during the 1970s, this collectible item features wheat stalks design, perfect for adding a touch of festive flair to a Thanksgiving outfit or collection. The Hallmark brand ensures quality and craftsmanship in this unique decorative piece.