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This is the very same design as the version with the same name in shades of blue and green except it is rotated 90 degrees and in a yellow-green-brown colorway.
It features a Cuisinart aesthetic that cuts up bits of art nouveau, art deco, feed or flour sack graphics, throws them into a patchwork quilt format, and then tosses the mixed up pulp from that, at a metaphorical wall, to see what sticks.
In other words, I have no idea what specific retro genre this graphic style is. I only know that it is heavily rooted in styles of the 19th and 20th centuries, and I like it.