Gucci's Kingsnake print, designed by Alessandro Michele, is featured on the front of this black leather backpack from 2016. 

Gucci Backpack in Black Leather with Kingsnake Print, Alessandro Michele, 2016.
Style/Serial Number: 451000 / 525040

Detailed Features
13" L x 16" H x 5" W inches
Main textile: Black calf-skin leather with kingsnake print
Trim: Black calf-skin leather
Lining: Natural cotton/linen textile lining with red "25" print
Hardware type: Brass-color hardware
Straps: Adjustable leather shoulder straps with buckle and rivet fasteners
Handles: Handle is part of shoulder straps
Interior details: Inside laptop slip pocket, two small slip pockets
Country of origin: Made in Italy