Excavating my file cabinet
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The treasures of my file cabinet, left by some unknown office worker long ago and only now excavated by me, armed with a new key to open the cabinet. Using the penny-dating technique, I place these contents somewhere between 1975 and 1992.
Pennies last a long time. Check to see if the Duracell has an expiration date, then backdate that by about 4 years
That’s a good idea, except I threw out the battery soon after taking the photo. It was just too gross to keep around.