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Mark of Caesar

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Mark of Caesar
Mark of Caesar.png
QuestsRender Unto Caesar
Base ID001374ae

The Mark of Caesar is a quest item in Fallout: New Vegas.


The Mark allows safe passage to Caesar's camp, even if the player has a low reputation with Caesar's Legion. It does so by erasing any negative Legion reputation the player may have earned before receiving the Mark.


The Mark of Caesar is given to the player by Vulpes Inculta (or Alerio, if Vulpes was killed) upon exiting The Tops Casino after completing Ring-a-Ding-Ding! as part of the quest Render Unto Caesar.


  • Being a quest item, the Mark of Caesar cannot be dropped, even if the Courier sides with the New California Republic in the Second Battle of Hoover Dam.
  • Caesar's Legion may still be hostile towards the player even when carrying the Mark. This occurs if the player travels with a companion that is hostile towards the Legion (including and especially Craig Boone).
  • They will also be hostile if you are wearing another faction's clothing while wearing the Mark of Caesar (i.e., NCR).
  • Attacking Legionaries, or otherwise gaining Caesar's Legion infamy, will result in the failure of the quest Render Unto Caesar, despite holding the Mark.
  • Attacking Vulpes Inculta or Alerio when either of them gives you the Mark will result in the Legion becoming permanently hostile.
  • This item is identical in appearance to the Legion Denarius.
  • If the player uses setquestobject 001374ae 0 on the Mark of Caesar and dropped, it will look like a holotape.
  • It is possible to gain two of these. By fast-travelling after leaving the Tops, you will have one added to your inventory; then go back to the strip and talk to Vulpes or Alerio, and they will give you one more.


  • PCIcon pc.png You can get a second mark when leaving The Fort.