...and from China to the heart of Siberia (Many times ago it was a kingdom - as a part of Russian Empire). Now Siberia - is a great part of Russian Federation!!!
Tuva (People's Republic of Tannu Tuva) is south of Siberia... This does not leave many options. Anyone got any Mongos to share?
I did not look at a map but I assume you are referring to Mongolia. I will trust you that they share a border.
Yes. Mongolia. 100 Mongo = 1 Tugrik We can cross the border and go a little farther south to the region in northern China occupied by Japan in the 30's, Meng Chiang or "Inner Mongolia".. https://en.wikipedia.org/wiki/Mengjiang
Seeing as how you mentioned Japanese occupancy let's take our first journey across the waters and move from China to Japan. Japanese 50 sen, 1931
Newfoundland opens it up to almost all the countries which touch the Atlantic. So lets start to tour South America, starting with Brazil.
I'm assuming that, since Ecuador and Guatemala can be connected via a straight line through the Pacific, this is allowed:
Yep, Guatamala is valid. I had to check the map to make sure going back to Colombia had a direct line - and it does.