I am always impressed by collectors who are awestruck by their favorite maker; as if they could do no wrong, nor stoop so low as to make pedestrian, off-the-shelf, bicycles when times are hard (or for a few extrea bucks).
I don't know much about Alex Singer, but I wouldn't be surprised if the ebay bike was his, and I wouldn't be surprised if people paid a small premium for his pedestrian bicycles when they were new.
oh, forgot to mention, I bid on it, it was a cute
Amir Avitzur
Ramat-Gan, Israel