They are previously owned and used and most likely have audio recordings on them however I have not played them since I'm unable to. The boxes are in
Ampex reel tape recorders - ATR-100 • the Museum of Magnetic Sound
Vintage Ferrodynamics Scotch Irish Brand 7 Reel to Reel Magnetic
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Scotch 150 Reel to Reel Recording Tape, LP, 7″ Reel, 1800 ft
Vintage Ferrodynamics Scotch Irish Brand 7 Reel to Reel Magnetic
Scotch 150 Reel to Reel Magnetic Tape 7 Inch Reel 1800 Feet x 1/4
Reel Tape Recording
Scotch 175 Heavy Duty Reel to Reel Tape, SP, 7″ Reel, 1200 ft
Reel Tape Recording
Vintage Ferrodynamics Scotch Irish Brand 7 Reel to Reel Magnetic
Scotch Tape