Heavy iron heads

Does anyone know of some heads (past or present blades and musclebacks) that are considered to be heavy? The heavier the better!

Thanks guys!

Lee Trevino Rawlings- like swinging a set of dumb bells
MacGregor VIP
Cobra Norman musclebacks
60’s and 70’s Wilson Dynapowers- from my experience weight up nicely

there’s a start… I am sure more will chime in with others they may have