I have shown it off last year upon receipt from Goldin Auctions. It is one of my favorite items in my collection.
Topps has supplied card collectors with a few insert sets over the years that discuss player's first MLB homers.
Have you witnessed any player's first MLB Homeruns in person at the ballpark?
I was witness to Pedro Alvarez's 2nd career homerun (4th of July 2010), but can't think of anyone 1st HR.