Seller: nashuacoins (4,748) 99.5%, Location: Nashua, New Hampshire, Ships to: Worldwide, Item: 183983796176 This is an electro-therapeutic medical medallion also known as Boyd’s Miniature Galvanic Battery. These discs of mixed copper and brass were meant to be worn on a necklace against the skin close to one’s heart. The medallion was said to produce a gentle electric reaction with the body that could cure a host of ailments from restlessness and melancholy to dizziness and blood problems. It is a wonderful piece of 19th century quackery! Please view photos carefully such that the item pictured is the item you will receive.We have been dealers in Rare Coins since 1979 through mail order, auctions and the national coin show circuit.In 2010 we opened Nashua Coins and Collectibles in downtown Nashua, NH. We now handle many types of collectibles, art, antiques and vintage items, in addition to rare coins and currency. We are the Nashua Pickers. Our business mission is to acquire old and interesting items and pass them on at reasonable prices. We aim to please and want you to be happy with your experience. Our business week is Tuesday thru Saturday. Sunday and Monday are our weekend and we are often away at coin shows. Anything purchased Saturday thru Monday will be handled on Tuesday and shipped by Wednesday at the latest. We will also combine shipping.We offer 14 day return privilege on all items except where noted. If you are unhappy for any reason, please contact us directly and we will take care of you. Please do not file a claim through ebay until you have contacted us first. Most times we can satisfy you faster if you contact us directly. Positive feedback and high seller ratings are important to us, but we are human too and mistakes and errors can happen. If you have a problem, please contact us and give us the opportunity to correct it. We promise our best effort.