Holder and Clip for MyLaps Rechargeable Transponder (old style)

Holder and Clip for the old-style (pre-2005) Rechargeable AMB Transponders--the type with 4 screws on the front cover, see picture. Please note this will not fit classic, MX or new style AMB transponders. It will also not fit the subscription-style MyLaps transponders.
I/O Port also has a limited supply (two) of used old style holders. These might have dirt, scratches, oblonged holes from previous mounting, bent or warped bases, and they may have a replacement hairpin clip. They are fully functional.