Hi Dennis:
It is a 1/2 lb. strike (6 ozt), not a pound

SSC#: FQlvnv-130 - Gold Plate
Casino: Four Queens Hotel & Casino
City: Las Vegas, NV
Denomination: $300
Design side: Carmen Amaya the Gypsy Queen
Logo side: Four Queens Logo
Edge: Full Reeded
.999: 6 ozt
Mint Mark: S
Mint: Sunshine Mint
Mintage: 148
Issued: March 18, 2011
Notes: .999 Fine Silver, 6 ozt - Copper Plated Rim