The oldest admission cards at the Monte Carlo Casino are from 1875.

Notice in the newspaper "Les theatres de Nice, 2.25.1875"
( Following the determination of the management of the Société des bains de mer de Monaco, entry into the Monte Carlo Casino is not permitted on this 1st Juin, except to persons holding an admission card .
Cards will be provided at the office of the establishment's Special Commissioner ).

The oldest we have on the chipguide dates back to 1885 - thanks to the excellent work of Robert Baker in this chapter