I've written a simple script for this, called **NSFW** (because it shows content that is Not Suitable For Work). It will only work if you have 10k reputation (2k on beta sites); otherwise, you probably won't see the post anyway. The link to the revision history will be added to the 'post menu' with the share, edit and flag links.

You can **install it [here](https://raw.githubusercontent.com/Glorfindel83/SE-Userscripts/master/nsfw/nsfw.user.js)** (directly from GitHub).  
Source code is [here](https://github.com/Glorfindel83/SE-Userscripts/blob/master/nsfw/nsfw.user.js).

Developed and tested with Violentmonkey on Firefox, but should work on other browsers/monkey as well.

You can see it in action in the screenshot below (behind a spoiler, it's NSFW after all…)

>! [![enter image description here][1]][2]


  [1]: https://i.sstatic.net/MRlTem.png
  [2]: https://i.sstatic.net/MRlTe.png