This set included a shaded gold Clydesdale, a pink pinto Warmblood Mare, and a purple pinto Playful Foal. #6064 is for this family set, and #6052 is the assortment number for three different family sets. Packaging refers to this set as 'Unicorn Foal Surprise Set #3' and the Breyer website refers to this set as 'Mystery Unicorn Foal Surprise Set C'.
Listed on the 2021 Retired List, and also pictured in the 2021/2022 box catalog.