There are many badges/pins out there. Most are round metal ones in two sizes but I have also seen plastic heart shaped ones. More information is need about how these were sold/distributed.

Seen but no pictures available:

1987 Cat (heart shaped)

1987 Chem (heart shaped)

1987 Miiko (heart shaped)

1987 Hip (heart shaped)

1987 Moon (heart shaped)

1987 Kurin (heart shaped)

1987 Samantha (heart shaped)

1987 Rabbick (heart shaped)

1987 Rabbi (heart shaped)

1987 Lily (heart shaped)

1987 Lettuce

1987 Letty

 

1986:

 

 

1987:

 

 

1988:

 

Unknown Year: