The coins are Inside plastic cases. Each case contains 4 coins which are also covered by transparent plastic case. That way the coins are protected from air corrossion. They remain real shinny thanks to the transparent plastic case. The coins are 92,5% Silver.   

   Downtown Las Vegas / Fremont Street. Sports - Full Set of 6. 6 Oz of Silver each (according to William Cohenour's Comprehensive Nevada Silver Strike Reference Catalog). G Mint Mark (Closed, now owned by Sunshine Mint). Inches in diameter (older style). 999 Fine Silver, G mint mark. Rim: Limited Edition Ten Dollar Gaming Token, Las Vegas, Nevada. Rim: Limited Edition Ten Dollar Gaming Token, Las Vegas Club. Please look closely at the photos as they are part of the description. There are photos with the cases off and with the cases on to show the true beauty, detail and condition of the...