A mystery knitter is creating hats for post boxes across part of Merseyside.
Royal Mail boxes across Wirral have been given a woolly makeover, with boxes across the borough being spotted wearing woollen covers decorated in hand-knitted designs.
The creations have been snapped in areas spanning across Wirral, from Wallasey and New Brighton to Upton, prompting speculation on social media that there may be a phantom knitter at work.
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But the identity of the artist creating these colourful 'hats' remains a mystery.
The latest creation was spotted by a Facebook user yesterday (Tuesday) on the corner of Harrison Drive and Mockbeggar Drive in Wallasey, sporting a colourful knitted hat with bumblebees and flowers sewn on top.
Locals rushed to share their love for the "beautiful", "amazing" and "cheerful" covers, but the details about who made them are still a bit woolly.
This is the second discovery in the last month the Facebook user has posted about, first writing about the crochet toppers on December 17 when she came across one on a post box in Wallasey Village.
She wrote: “Some lovely person keeps decorating our post box in Wallasey Village with knitting and crochet, isn't it fabulous?!!!”
The woman returned with pictures of a new discovery yesterday where she announced the mystery knitter “strikes again”.
People have filled the comment sections of each post, which have accumulated more than 1,000 likes between them, to comment on the “joy” these toppers have brought to the town.
One woman commented: “Love these really make me smile on my dog walks x”
A second woman commented: “Absolutely beautiful!!! Such time taken to do this and what joy it brings to everyone.... many thanks.”
And a third said: “Absolutely beautiful and a total uplift to see during these crappy times! My little boy calls them the post box hats!”.
One person branded the mystery knitter the “Banksy of the knitting scene”.
Fans of the post box covers are searching for the artist to thank them and also find out if they can decorate specific post boxes in the borough.
However some are enjoying the mystery of the knitter, with one person asking for their identity to be kept secret as they're the town's "very own Banksy".
Post box toppers are not the only knitted surprise bringing a smile to people's faces in the borough either.
A local man took to Facebook on Sunday to thank the stranger who had left a knitted Christmas item and a note at Liscard Asda.
The note attached read: “I am not lost, I am waiting for you.”
However, it has not been confirmed whether these acts are related.