TWebSP posted:J
Regarding O scale G&D rolling stock, the only one I've seen is a G&D boxcar offered some years ago by Intermountain. Occasionally one shows up on eBay in the $20-$40 range.
The Intermountain G&D boxcar kit was part of the NMRA's Historic Heralds (or something similar in name) series, available at the time only to NMRA members. It was available in N, HO, S, O and G scales.
This is the S scale version, the O scale version was identical:
Rusty