This listing features a rare set of three vintage National brand batteries, made by Matsushita Electric in Japan. Included are two 'National Long Life Dry Cell UM-2' (C size) 1.5V batteries, marked 'FOR O.E. MFRS' USE', and one 'National Photo Flash and Electronic Equipments' 015 22.5V battery. These collectible batteries are offered as-is for display, historical interest, or prop purposes. They are unused but vintage, showing some signs of age appropriate for their manufacturing period. A unique find for collectors of vintage electronics, photography equipment, or battery memorabilia.