>>60741148
This chart is a great idea fren, for me it would be mostly red, save few subsaharan shitholes and weird places like Futuna or antartica. I should try to do this one day.

>that historically made Silver coins that would be fairly cheap for me to acquire?
Definitely MENA and SEA, those are your weak spots but they are old countries with lot of history (and thus coinage). You can find fairly cheap colonial/protectorate issued coinage & later from all the north african countries connected to the med sea. Special mention to Egypt who made a lot of silver coins who are quite affordable.

Same goes with the ex-Indochine & Cocinchine : Siam, Laos, Cambodia, Vietnam, etc.. as well as Thailand and Myanmar, they usually are a bit more expensive but are worth it, those nations are developping at incredibly fast pace and few years/decades down the line their new wealthy middle class will be eager to spend big bux to get back home some of their history, just like it was for China and worst Korea. So to me they are great investment vehicles. It's a bit different for MENA since arabs can't manage to get anything down unless they sit over ungodly amounts of oil.