After Peter learns about the syllabus for the law class, he goes to talk to Neal with a packet/folder in his hands. In mid conversation Peter crosses his arms and the camera cuts to Neal, then it cuts back to Peter and he has no folder, then it cuts back to Neal, and finally back to Peter who has the folder in his crossed arms.
$2 million of Krugerrands would be at least 1,600 coins (at $1250each), making the case 120lbs (55kg) minimum.
In the syllabus the word apprehend is spelt wrong 'agent Burke of the FBI appended him'.
This episode came out in 2010. In 1991 the trade embargo with South Africa ended and it became legal to own Krugerrands in the United States. So technically the FBI would have no right to go after anybody dealing with that coin.
Caffrey's last name is spelled wrong. When he looks at the syllabus it says: Neal Caffery: Forger.
At around 25 minutes, as American character Diana says "Follow the case back to Oswald, English actress Marsha Thomason lets her real accent slip out. It's more noticeable on the word "Follow"
The syllabus misspells Neal's surname as "Caffery" rather than "Caffrey" and writes "appended" (added on) instead of "apprehended" (arrested).