yakksoho -- I have another outfit that has a matching butterfly to show you. We were given permission to upload it, but I haven't done it yet since we were still questioning lines. We might be able to get clues from it in combination with yours to find its place.
In our research, we continued the work started by the defunct web site, Name That Line (they have given us permission to use all of their old photos that we can find, too), to list lines by tag description. So this is what we have for this tag:
Pink, Blue, Purple, Green (PBPG) Rainbow Tag
(or, as it may appear)
Pink, Aqua, Blue, Green Rainbow Tag
Pre-’97
? Layette - Paisleys & Hearts
? Layette - Pastel Pansies & Checks
? Layette - Pastel Farm Animals
1992
Layette - Making Friends (Spring)
1993
Rumba
1994
Bunnies
Mrs. Goose
1995
Lifesavers
1996
Sewing Basket
1997
Flower Power (1997)