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