The Grandiose Set is a furniture and clothing set that made its first appearance in Animal Crossing: Pocket Camp, where it could be obtained for a limited time by purchasing Tia's Rosewater Cookie from Timmy and Tommy. It could be obtained from September 3rd, 2018 to December 2nd, 2018. Most of the items in this set are royal-themed.
Animal Crossing: Pocket Camp
Pocket Camp Furniture