This is a variant 2 of PRR L1 N scale shell for Kato Mikado Mechanism. This variant has a slighly more rounded belapire boiler that is also more flush with the concentric boiler. The original design with a more square belapire box is available at the following link.
Please chose a model that matches your esthetics best.
This is an N Scale shell for converting N Scale USRA Mikado Steam Locomotive to PRR L1 locomotive.
The shell fits over the Kato Mikado N scale mechanism.
The model has many molded on details.