Greg;
Below is scan of 50 cent Desert Oasis.Sorry no extras to trade or sell.
Per Armin they had .50,$1,$3,$20,$100
Per Moore they had .50,$1
Per Eastman they had .50,$1,$3 and he pictures the $3 in his book.
Both Indio Bingo Palace & Casino and Desert Oasis were at the same address now known as Fantasy Springs Casino.
Jim