Around noon yesterday, May 9, the man turned up at her home in Watling Street and persuaded her to part with several hundred pounds to replace a garden fence.
When asked for a receipt, he then left in a silver transit van which had ladders on top.
He is described as aged 45-55 years, stocky build, with short dark but greying hair and spoke with a local accent.
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Anyone who can help police to identify the suspect or vehicle should contact officers on 101, quoting CF0061350519