The Akron Beacon Journal says insurance agent Dave Conn opened his post office box in Hudson last week and found the card, which had been sent from Helena, Mont., in 1962.
It was signed Fran, and mentioned having "had a marvelous time in Montana."
It had been sent to Marion White, the previous renter of the box, who had died in 1988.
After asking around, Conn says he determined the card must have come from Frances Murphey, a friend of White's who'd been a longtime reporter at the Journal.
She died in 1998.
A postal service spokesman says the postcard may have been stuck in equipment or lost behind a mail chute.
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