A fraction of the Gruens eBay seller TixNtox has identified
1 Veri-Thin Regal with a nicely multi-faceted crystal, as the one originally sold. But, Gary has gone a step further to put a really fancy crystal on it. See the next picture for a shot showing the crystal better.
2 VT Regal shot to show off the crystal
3 A 1938 Gruen Carlyle
4 Gruen Carlyle from 'The 1930s'. The Carlyle was made for a number of years spanning at least 1938 to 1940. Was heavily advertised during that timeframe with every year showing several ads.
5 The very common Banner that is known by the majority of Gruen collectors. This one is in great shape. The majority have heavy brassing on the ripples (high spots) that cover the lugs. It's a great example that matches the ad perfecly. They're even the same size.
6 1939 Veri-Thin Hopkins. It's rare to find a lady's watch for sale these days. This one is in great original condition.
7 1938 to 1940 Pilot.Popular given number of years it was offered for sale.
8 1938 image of Pilot used in newspaper ads for several years