The victim was left extremely upset and distressed by what happened and we are very keen to trace the man responsible. He is described as white, in his mid 20s, wearing cream shorts, a grey hooded top and a red baseball cap. Anyone with information is asked to contact Sussex Police on 101, quoting reference 1222 of 23 March. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555111.
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The Government has previously described the new coin - which enters circulation on Tuesday - as "harder to counterfeit than ever before".