The Sears 3880 was made by Yaesu. (1976 / 1977)
It pre-dates the FT-227R and is very similar to the FT-227R. It is a 10w FM transceiver 146 ~ 148 Mhz and uses optical tuning to selecte 22 chanels for operation.
For more information on the Sears 3880 see the Fox Tango Club web site http//www.foxtango.org
or the pagehttp://foxtango.org/Sears%203880/Sears%203880.htm