I'd be curious to see EXACTLY what the stamp says. Only the engine manufacturer can ZERO TIME an engine.
An honour to "speak" with you Sir Charles! The stamp goes like this:
Tach Hobbs Time - 3254
A/C Total Time - 5377
Eng. Total Time - 4019
Eng TSMOH - 0
Prop Total Time - 5377
Prop TSMOH - 0