I am a fully licensed supplier.CITY SLICKER -SOUNDSKU: SND-CITYSC$13.00PriceQuantityAdd to CartBALLY ROMSU7 TECH SPECSCity Slicker Location Chip Chksum Notes U2 27128 50FF MPU U3 27128 4FFF MPU U7 27512 49FF Sound U7 ROM REMOVAL & INSTALLATION INSTRUCTIONS https://www.pinballrom.com/_files/ugd/0a3635_1f0af8ba09644eb78d30e50f112cf374.pdfWILLIAMS SOFTWARE LICENSE https://www.pinballrom.com/_files/ugd/0a3635_523e61bbc4f04fb5985c60266a76c1e2.pdf