1988 Hallmark Keepsake Ornament, specifically the Miniature Creche Acrylic Ornament. 

• Series: This ornament is the fourth in the Miniature Creche Series, which features miniature nativity scenes. 

• Design: It's a clear acrylic ornament shaped like a star, containing a miniature Creche scene with Mary, Joseph, and baby Jesus. 

• Collectibility: It is part of the Collector's Series of Hallmark Keepsake Ornaments.