dhr this has your name all over it.
http://cgi.ebay.com/VINTAGE-ZENITH-TV-SPACE-COMMAND-REMOTE_W0QQitemZ170264437152QQcmdZViewItem?hash=it em170264437152&_trkparms=39%3A1%7C66%3A2%7C65%3A1%7C240%3A1318&_trksid=p3286.c0.m14

I have a NOS one of these,{or it was until I opened the package} not my favorite design but very handy for troubleshooting an original or using instead of to save the original one. When I come across a SC 400 with those early buttons, I leave it on the hook and use this one.