Walter Baker’s Mill Postcards Walter Baker’s Mill No. 324 Postcard. Caption on front: Walter Baker’s Mill. Milton, Dorchester, Mass. 1493 Postally unused. On verso: Pub. by M. Abrams, Roxbury, Mass. Facebook Twitter Print Friendly Skills Baker Chocolate, Dorchester, Lower Mills, Walter Baker's Mill Posted on November 18, 2022 ← Frank Wood Convalescent Home Carney Hospital, South Boston →