[Phono-L] Interesting horn on ebay

[Aph4990]

An interesting horn has appeared on ebay recently.  But I've never  seen 
anything like it before. It has a screen at the horn opening and I have no  
idea why. Maybe it keeps the moths out. Or maybe it's not a phonograph horn at 
 all.  Any thoughts?
Ebay # is 280921924514
 
Thanks, Art Heller
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