Mountain not listed in most volcano catalogs.
If it is volcanic, it's extinct.
In excess of 13,000 feet, the city of Potosi is one of the
highest inhabited in the world.
The mountain was renowned as a source of silver but now tin
is the major mined product.
The first stamp below was issued in 1916
The stamps below were issued in 1868-69
On the left is 50¢ blue with 9 stars, on the right 100¢
deep orange with 11 stars.

Next is the 5¢ with 11 stars
The next stamps were issued in 1894





The stamp illustrated below was issued in 1943
The next stamp was issued in 1950
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