Casino Quest Koi Challenge Coin. . Coin-operated slot machines have become as rare as diving boards in Las Vegas. Casino Royale, , FM, Some wear. Honduras (HNL L); Hong Kong SAR (HKD $); Hungary (HUF Ft); Iceland (ISK kr); India (INR ₹); Indonesia (IDR Rp); Ireland (EUR €); Israel (ILS ₪); Italy (EUR. Casino Quest Koi Challenge Coin. Vintage Treasure Island Hotel & Casino Las Vegas, NV $1 Gaming Token/Coin ; Quantity. This is one beautiful coin. Unit price / per. Circulated. Atlantis Casino, Paradise Island, GDC, Some wear, $ Atlantis Casino, Paradise Island, GDC, Good shape, $ Honduras. Join the Vulkan Vegas casino online for unrivalled gaming and big wins! Along undefined flag Honduras + undefined flag Hong Kong + undefined flag. This is a standout coin that shows every nuance and graphic. Regular price $ USD. 1 available ; Item Number. The Casino Quest Limited Edition Metal Koi fish downtown Vegas coin. There's just one on the Las Vegas Strip that still has coin slots. Check out our rare casino tokens selection for the very best in unique or custom, handmade pieces from our game pieces shops. Regular price $ USD Sale price $ USD. ; Circulated/Uncirculated.