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A Florida police officer last weekend bought a replacement engagement ring from J.C. Penney for an elderly woman suffering from Alzheimer's who apparently had hers stolen, WSVN.com reported.

"I came in the morning, and I'm holding her hand, talking to her, and the ring is gone," Arthur Wagner, the woman's husband, told the police officer. Wagner, who spent $400 on the ring in 1946, said that the ring stayed on his wife's finger for 67 years.

Betty Wagner would wear two rings: her wedding ring and engagement ring. Judging by the bruises on her finger, it appears that someone pulled off the two rings, taking the engagement ring and leaving the wedding band.

Plantation Police Officer Laurie Graber was sent to investigate, and learned the story about the couple's relationship.

"After 67 years of that ring being on her finger, she still looked at him like he was her knight in shining armor," Graber told WSVN.com.

She purchased the ring and told the nurses to deliver it.

"A promise kept for 67 years is worth something," Graber said. Police are investigating the robbery.

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