I have three National (5 pin) XR-5 coil forms and would like to trade for one (6 pin) XR-6 coil form. I need a XR-6 to complete a band pair for my SW-3 regen.rcvr. Click for XR-5 coils picture: http://www.hvinet.com/rjmattson/xr5coils Regards, Bob Mattson ...W2AMI WN2AMI 1962 http://www.qrz.com/callsign/w2ami