MISLABELED photograph currently on Ebay.
"Vintage 1940's L.A. photo / Graham BIG BAND Banner at Ivy's Tavern by KNX Radio."
EBAY
The seller could only see part of the sign in the mid-distance. It's Al Levy's Tavern
not Ivy's Tavern.
And the banner is actually hanging ouside of the IT CAFE!
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I couldn't find any information on Johnny Black
or Al Graham's Orchestra.