This is Jean Beliveau. He's celebrating not only the Stanley Cup victory, but his own personal achievement as the very first Conn Smythe Trophy winner as the Stanley Cup MVP.
The Conn Smythe Trophy was first awarded in 1965. Before that no official Stanley Cup MVP was celebrated.
Back in 2001, hockey historians and The Hockey News looked to recognized great playoff performances in the years preceding 1965. Here's a look at their MVP reconciliation.