Ok for anyone wondering, these keys are coming from a DreamSpark account, and it's against MS's ToS to sell them, so they'll eventually get deactivated and you'll be out of a key.
They don't come from the Dreamspark account. Dreamspark doesn't give VLK keys. And you are absolutely wrong. And I sell Office for MAC keys too, do they come from Dreamspark.
This proves that
"HALF KNOWLEDGE IS DANGEROUS."