See if the blades have a slightly different shape and thus a different blade area. Then you either cut the other blade to match or match load w a pitch change.
If it’s not obvious measure balde width ect. One or both blades could have been modified. Another posibility is that pitch was taken out of one to balance the load and not marked on the hub or the prop man forgot to mark it.
The only real way yo tell the pitch is to have a prop man check it on the prop dies.
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Eric
North Western Washington State USA
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