Do you know this King's Lynn tagger?
PUBLISHED: 11:16 20 August 2019 | UPDATED: 11:16 20 August 2019
Do you recognise this signature? If so, police would like to hear from you.
The cryptic "tag" has started appearing on the Reffley Estate in King's Lynn.
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When police took to social media to appeal for information, they were sent further examples of the unknown person's handiwork.
Similar signatures - resembling the word Zed - have appeared on a fence and street furniture on the estate.
Police and councils can issue a £75 fixed penalty ticket to anyone caught comitting a minor graffiti offence.
In more serious cases artists could be prosecuted for causing criminal damage and could face jail or a fine.