Position Pins -Need Help

[slidekellyslide]

Anyone know what might be a good date for this pin?

http://i22.photobucket.com/albums/b331/nudan92/antiq006.jpg
http://i22.photobucket.com/albums/b331/nudan92/antiq005.jpg

[mjkm90]

I don't recall seeing another like it. I'm guessing teens-20s.

[vintagesportscollector]

Dan - This is probably a long shot, but the top half of the pin looks like half of a Star of David. Maybe some connection to House of David baseball team? Maybe an umpire's pin for the HOD?