First 3 months of 1997 had bicolor eyes. There are a very few glossies known to exist. On the 2004 Retired List.
Some models will have a combination of B Stamps: on the back legs, horns and/or scrotum. These stamps lasted outside of the B Stamp era, and remnants of these stamps can be seen on #385 models. The horns, ears and scrotum are separately molded pieces.