Incorporated into : 1886 Eastbourne RDC (1974 Hailsham RDC (1974 Wealden))
I don't know whether the borough ever had official arms.
The historical seal, known from the 13th century, showed a ship with a small shield in front of the sails.
The seal of Pevensey (obverse, Ewe, 1972)
The seal of Pevensey (reverse, Ewe, 1972)
On souvenir crested china from around 1900-1930 different arms appear :
The arms of Pevensey