This is a vintage Atari computer accessory - a power supply- this was originally with an Atari 520st and I have tested it and it does work.Overseas customers are very welcome.PostageI no longer use standard post as I have recently experienced the loss of several items.For UK, Iuse 2nd Class Recorded, Special Delivery or Parcelforce 48 depending on the value and size of the item. For Overseas, I useAirsure or International Signed For. PaymentIf youintend topayviaPaypal, I request payment within 48 hours. Please contact me in advance if you need more time to complete your transaction and I will be happy to wait. If payment is not made within the agreed timescale then I will have to raise an unpaid item notification with which could result in a strike against your account.