VINTAGE grandpa abstract wool knit sweater

Gorgeous and uniquely patterned vintage grandpa-style knit longsleeve crewneck sweater. Base is grey w/ light blue, teal, & orange abstract designs. No brand tag listed, only tag with fabric makeup & washing instructions. Sweater makeup is 52% wool, 48% acrylic. No size listed but fits men's M - smaller L. Gorgeous condition! Very minimal pilling w/ no stains or rips.