OK. I know it’s March. But this wouldn’t sit till next fall! [;)] You have got to see this website: https://www.cardboardchristmas.com/papateds/Christmas1920s.html
Remember this pic?

This site has the info that goes along with it! [:D]:
“A Keen Christmas - 1920:” The Christmas tree of Mrs. A.M.Keen, ca. 1920. Washington, D.C.- Harris & Ewing glass negative.
We have Howard Lamey to thank for spotting this one among the Shorpy.com photo archives. A remarkable display! The trains, telegraph poles and lamp posts are German. It appears to be a small Bing or Karl Bubb 0 gauge set of charming European style. Of particular interest is the lower track down on the floor. Enclosed within another charming Dent cast-iron fence, this type of two-rail track with wooden ties is characteristic of the very earliest kind of electric trains. Setting them up was not for kids!You got a box of pre-cut ties with slits in them and flexible strips of steel rail which you had to push down into the slits. Lionel’s earliest trains -between 1902 and about 1908 used this kind of track 2 7/8" wide. This track is narrower at 2", and marked an advance in that it came sectional, as I have just been informed, and that is definitely not a Lionel engine on it. I have never seen that little steeple-cab engine. I guessed Bing or Bubb or even Maerklin, but I just don’t know. All the train stuff is pre WW I. In those early times, several manufacurers made running models of the strange little mining trains - now extremely rare - that hauled coal out of the
