Bertha MN48 is a 42ft Aldous smack built in 1888.

Tollesbury smack BERTHA on Wyatts slip 1962. Built by Aldous at Brightlingsea in 1888, sailed by the Redgewell family continued fishing for over 60 yrs. In 1960s sold to become yacht. Photograph taken during conversion.
©Mersea Museum.
Tollesbury smack BERTHA on Wyatts slip 1962. ©Mersea Museum.
Harwich – Tollesbury smacks BERTHA CK335 and VARUNA CK442. Postcard 2118.
©Mersea Museum.
Bertha – East Coast 1966.
©David Cade.