I thought the pully was correct as this is a quote from Blue from another thread
"Top hat (unsure as I cant see the Images,if the chamfer on the top edge is barely visible its a model 1,if its prominent,then model 2."
Ahhh true! sorry about that, I had them mixed up. In that case, it looks like you've got a 100% correct mower - lucky bugger! Any sign of paint on the back axle?