Leo DiCaprio So This Is How You Engrave an Oscar

2/29/2016 7:55 AM PST BY TMZ STAFF

Leo DiCaprio is a seasoned actor, but he's a neophyte when it comes to Oscar etchings ... so he proved when he took his trophy upstairs to get it engraved. 

You gotta watch the video -- there's wonderment in Leo's eyes as the woman burns his Best Actor title onto the prize.  

Feels like an odd word to describe it, but this is kinda ... adorable.

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