The later version with the orange roof w/ cream sides is a rare bird I think. Didn't one in the OB just sell for big money at a recent auction?
As an aside, the early versions had the knife switches mounted to a block of painted wood whereas the later ones used what looked like fiber board of some kind. The fiber board is often warped.
Edit: Here's the auction result...
https://connect.invaluable.com...ower-hard_B514848A52
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