21 DCC: This locomotive is equipped with a 21 pin DCC socket on the printed circuit board, which is ready to accept 21 pin DCC decoders.
- The finish of the Bachmann 31-761 OO Gauge GNR Class C1 4-4-2 Atlantic 272 – GNR Green is Pristine.
- Era 2: 1875 – 1922 Pre-Grouping