Sensenich Squandron VI ASAC Supply Poopeller

[rmarchetti]

Please advise if any one can identify the following wooden Sensenich propeller
Model 72EC66-Serial 78270-HP 125-RPM 2600
The following information is stenciled painted one front blade
On the left blade :Squandron
Core: VI ASAC
Right blade:Supply
Complete = " Squandron VI ASAC Supply"
Back blade id#78270
The back core has eight bolt holes.
I do know that it is 72" L/Engine EC ?/Pitch 66
Any help would be appreciated.
Thank you!

[Dave]

The only thing I can find it is that it was produced under Type Certificate TC789, and that the Type Certificate expired on February 21, 1956. The serial number indicates that it was manufactured between 1932 and 1942.