PET SHOP BOYS Behaviour (Ultra rare 1990 US promotional only box set including advance 10-track cassette album with a custom title picture sleeve, also includes an NTSC promotional video for 'So Hard' with a running time of 4:10 minutes, housed in a custom stickered 7½" x 4½" x 2" fold-out white box. The box shows only minor signs of age with all contents immaculate, now hard to find with only a very few made!)