Venetian Grazie club adjusts tiers

I used to be "platinum" at Venetian's Grazie club, but they just made the highest level there "Paiza Gold." I am now Paiza Gold. Paiza is a high level high roller Asian term, I understand. There is a Paiza Club casino on the top floor of the Venetian (closed for some time now) for their highest rollers.
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There is another one in Palazzo, still open (although Palazzo itself is mostly closed these days).

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A paiza or paizi or gerege (Middle Mongolian: ??????, Mongolian: ????, Persian: ?????? p?iza, Chinese: ?? p�izi) was a tablet carried by Mongol officials and envoys to signify certain privileges and authority. They enabled Mongol nobles and officials to demand goods and services from civilian populations.