Weekend Quiz #22: Where in the Lower Haight?

For our 200th post, we bring you something you probably don't see every day -- specifically, a gallon of milk floating in the sky.

Can you tell us where it is? Update 3:30pm: We have winners! Commenters hoodie and Morgan Weatherford recognized this jug from the sign on the Popular Market at 484 Haight St: Congrats to our two winners. Until next time!