Sega Genesis Model 1602 AC Adapter

I would like to purchase a wholesale lot of Sega Genesis 1602, 1602-1, or 1602-2 AC Adapters. I am looking for original only, I have had very bad experiences with the aftermarket 3-in-1 replacements. The only aftermarket replacements I would consider must have the correct output of 10VDC and 1.2A (1200mA). Depending upon condition, I would be willing to pay in the $5 range per adapter including shipping, but will consider all offers. I would like to purchase at least 6 or more.