So it was a different and earlier memo from the state department that he did see which identified Plame as Wilson's wife and said he recommended that he be sent to Africa.
No. There is no evidence he saw that. And the earlier memo is identical to the later memo so I see no reason why it simply was not redistributed with a different cover letter.
Here's a little bit about the trip to Niger which you might read to like--you know--actually know what you're posting about.
http://www.americanthinker.com/2005/11/the_wilson_gambit.html