Telephone and telegraph insulators, as well as other types of insulators, have been collected since the 1960s by serious collectors. Glass, especially colored glass, and pottery was used. Beginners usually just want any insulator. Serious collectors learn the makers, use, and patent histories of the insulators. Be sure to keep a record of the price you paid and the information and history you have learned so that when you want to sell or donate the collection, you can know what to charge. To do this, you must have written notes and a sticker or photo that points out which insulator is the one you recorded.
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