If these are legit, it would be a confirmation that Satoshi mined the block #5326, as block reward from that block is sent by Satoshi to Mike Hearn.

Mike: I sent you 32.51 coins, my bitcoin address is 1JuEjh9znXwqsy5RrnKqgzqY4Ldg7rnj5n

Satoshi: I sent back 32.51 and 50.00. (https://blockchain.info/address/1JuEjh9znXwqsy5RrnKqgzqY4Ldg7rnj5n)

This is interesting, because if you go back to the old ExtraNonce analysis by Sergio (https://bitslog.wordpress.com/2013/04/17/the-well-deserved-fortune-of-satoshi-nakamoto/), block #5326 fits the pattern of this early miner with a distinct ExtraNonce pattern, and would be the first (?) direct evidence, that this miner was in fact Satoshi.