The magazine that Paige finds fake Piper's photo in, a photo of the real "Mya" that Piper used for her alias "Mya" was in 4-1-5 magazine. Prue worked for 4-1-5 magazine when she quit Buckland's Art Auction House & became a photographer. Also, Phoebe poses for a pictorial in that same magazine when she gets voodoo cursed by the witch doctors in "House Call" in season six.