About a collector’s large coffee mug with an image of the seminal narrow gauge steam engine Lynx.
Get the cup and others at a discount at this link. Railroad Mugs
You can read the detailed history of the Lynx at this link.
In short, this little German designed steam engine had a very large impact
on further designs as well as being very useful in the reconstruction
of Warsaw, Poland after WWII.
Above is a video of a commemorative, collectors cup which cup carries a beautifully detailed image of an actual engine preserved at the Sochaczew train museum,
Sochaczew, Poland. Information about that museum can be found at this link. Sochaczew train museum.
That museum is a fascinating place to visit.