Signature Drink Question (edited with pic of idea)

So we have an open bar cocktail hour and reception - but I kinda wanted to still have 'signature drinks'

I wanted to make a cute sign to put up at the bar with mine and Justin's fave cocktail mixes with a little springtime twist.

Is this silly to do if we have open bar?

I was thinking something like this - in a cute silver vintagey frame: