I think it's the closest match we've seen yet, Angela.

There are slight variations, the ribs and base ring, which may indicate the catalogue one is a nibble / hors d'oeuvres tray, but I'd definitely be looking for more Schwepnitz catalogues to see if we can match the set up there.
I've done a comparison view using Pamela's catalogue image and a photo of the tray from the GTS website, hopefully Pamela may have some thoughts too.