For Sale: Model 251 Power Supply - good working condition - fair cosmetics - has some scratches on top - A number (SN?) is etched on the front panel below the switch - $45.00 shipped UPS (CONUS only) Pictures at: http://home.earthlink.net/~k2blc/images/tt251.jpg Thanks Lee K2BLC -- B. Lee Cornwell http://home.earthlink.net/~k2blc/index.html