help with identifying prop

[pacer54k]

I obtained this prop many years ago at the Philadelphia Seaplane Base. It is 8 feet in diameter. The only marking are D 98 and NO. 772 stamped on one of the blades.
Photos attached.
Thanks, Dave

[Dbahnson]

I don't think that it can be identified accurately. The hub design looks a little unusual. You might see if it's consistent with any of the hubs listed on this page.

[pacer54k]

Thanks for the reply.
None of the hub dimensions are exact. The Hall-Scott came the closest with three of the four matching.
Thanks again