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The first one was built in 1882 in Wisconsin
The value depends on if it's a small gold or large silver one dollar coin, both were made in 1882.
Veitnam War started when
Only 4400 half dollars were made for circulation in 1882. As of 11/2008 your coin's retail value is roughly:
Worn condition - $360
Moderate wear - $470
Slight wear - $550
Please post a new and more specific question. 5 cents? 5 dollars?