What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
This is the Bullion version of America The Beautiful (ATB) Montana Glacier National Park 5 oz silver coin. Unlike the burnished version - The bullion version does not bear the "P" mintmark on them and has a proof-like smooth finish. These coins are originally sold only through dealers.
These coins also have a lettered edge with the words inscribed: ".999 FINE SILVER 5.0 OUNCE"
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD