U2 The Fly (Rare pair of German Island 'Unverkäufliche Musterplatte' white label wide-centred black vinyl 7" test pressings for the 1991 single release with 'Alex Descends Into Hell For A Bottle Of Milk/Korova 1' on the flip sides; these were cutto check the sound quality of the pressing long before the commercial run was undertaken. Each record has a different matrix number [A1/B1 & A2/B2], the labels on each are blank and come housed in their own plain white sleeve hand-annotated detailing the matrix number [114728-1 and 114728-2], both have been affixed with the studio engineer's hand-written library tag)