Detectives are using advances in DNA technology to try and identify human remains discovered in North Wales in the last 50 years.
Under Operation Orchid, officers say they hope to bring closure to families who have lived with uncertainty for a long time.
Criminality is not suspected in any of the cases.
One mystery dates back to January 1980, when female human remains were recovered from the sea 15 miles off Llandudno and were interred at a local cemetery.
Police inquiries with the National Missing Persons Bureau have identified a possible match with 39-year-old Priscilla Berry, possibly of the maiden name Sturgess.
She went missing from her home in Mochdre, Colwyn Bay, in June 1978.
It is now possible to link close family members such as siblings or children through DNA. If we can locate a brother, sister or child of Mrs Berry we can take a DNA sample to compare to the remains.
Although Mrs Berry went missing over 35 years ago, we believe it is still important for her family to know what became of their relative - and we will do all we can to help.
It is by no means certain that the remains are those of Mrs Berry, but the proposed tests should provide a definitive answer.
We are therefore appealing to anyone who is related to Priscilla Berry or knows any of her family members to contact North Wales Police.
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