JETHRO TULL The Whistler (Rare 1977 US 7" vinyl test pressing for the promotional disc, which plays the Mono and Stereo versions, with 'CHS-2135-M-A 1B' & 'CHS-2135-A 1B' matrices, 'Columbia Record Productions Santa Maria Test Pressing' labels, hand annotated title & artist name and 'Mono' & 'Stereo' indicated. The vinyl has a few surface marks but displays no major deterioration in sound quality, with only a light background noise. Although not mint this is still a really nice item and the first we have seen)