It is interesting where things lead...

Happily I am now in possession of 5 boxes of the large square-window 2x2s. Duane Feisel sold them to me - two other E-Sylum readers responded that they also had some.

One of the boxes Duane sent had a "U-Do-It" sticker on the end. Also on the sticker was "Robert C. Gray Coin and Stamp Supplies". A Google search shows that the Robert C. Gray Company is still active in Carson City, NV. Since I don't need any more holders, I'll just file that info away. But additional Google searching found the following:

John adds:

To read the complete article, see:Engine #29 - The Robert C. Gray(aroundcarson.com/2009/08/15/engine_29_the_robert_c_gray/)

Duane Feisel writes:

Hungry for details, I picked up the newly published "Official Guidebook of the Virginia & Truckee Railroad," by Stephen E. Drew, in the gift shop. The cashier noted that Robert C. Gray - who is featured in a 1938 photograph in the book - would be riding with us. I took note and kept on the lookout for him; later I found out that Gray was, in fact, a key figure in reviving the Virginia & Truckee.

"Bob Gray is a longtime rail fan. He grew up in the '30s with a deep interest in railroads," said Kyle Wyatt, curator for history and technology at the California State Railroad Museum. "He had been one of the people who had ridden on one of the last excursions from Carson City to Virginia City before that line was shut down in 1938.

"In the early 1970s, he found himself in a position where was able to restart the V&T Railroad," Wyatt added.

To read the earlier E-Sylum article, see:NOTES FROM E-SYLUM READERS: FEBRUARY 3, 2013: 2x2 holder with the square window sought(www.coinbooks.org/esylum_v16n05a18.html)