Check the listing for details. Nuclear Power Plant “GPU NUCLEAR” Maximum Allowable Working Pressure Tag-5/23/91. Condition: Used. Listed at 59.99 USD. This Nuclear Power Plant \u201cGPU NUCLEAR\u201d Maximum Allowable Working Pressure Tag-5/23/91 is an important piece of historical memorabilia for all collectors and enthusiasts of firefighting and rescue equipment. With a Year of manufacture in 1991, this item is a true gem that deserves a place in any collection. The tag features a unique design that showcases the Maximum Allowable Working Pressure of the power plant, making it a must-have item for anyone interested in the history of nuclear power plants. The tag is in used condition, but it still retains its original charm and uniqueness. Add this amazing piece to your collection today and enjoy the pride of owning a piece of firefighting and rescue history!!!!!$4.99 s+h………