My guess is 1300+ pounds. Look at the diameter of the tail before the fork. That's always a way of determining the size of a fish. When they get fat like the one in the picture, it's a very mature fish.
"Was harpooned on the Georges Bank in the mid 1980's.
Boat was the Irene+Alton, skipper Bernard Raynes, fishing out of Owls Head, Maine.The guy behind fish is Paul Molyneaux, author of "The Doryman's Reflection". "