The Spring Desert Festival in "Stardew Valley" is from the 15th to the 17th of spring. You can get a lot of props here, and this is one of the best sources. You'll need good luck, though, as the items you get depend on which villagers are setting up stalls at the festival each day.
What are the characteristics of the Spring Desert Festival in Stardew Valley
The Desert Festival is one of the best sources for finding unique items. You'll need good luck, though, because the items you get depend on which villagers set up stalls at the festival each day:
Other unique items available through the Desert Festival can be purchased from the Calico Egg Merchant:
Mummy Mask (120 Calico Eggs)
Blue Bow (50 Calico Eggs)
Black velvet bow (75 Calico eggs)
Various decorations (10-35 Calico eggs)