Hey I'm back with a new bottle I found at a flea market. It's 7-Up and has the slogan "You Like It, It Likes You", which, according to Wikipedia was used between 1936-52. It looks pretty new for a bottle that old. It says on the bottom "787 NW 66 NOT TO BE REFILLED 3", with the three being above the refilling part. Any way I could figure out when it was made (or, gasp, a reproduction)?