omg - i was right!!!! it was indeed a quilt off grandma's bed!!!! 

just not HIS grandma's bed!! 
blavity.com




The Quilt A$AP Rocky Wore To The Met Gala May Have Been Made By This Woman's Great-Grandmother - Blavity
A woman identified as Sarah is saying the quilt A$AP Rocky wore at the Met Gala last month was her great grandmother's creation. According to People, the California woman said ERL designer Eli Russell Linnetz used the quilt for Rocky's wardrobe after finding it in a thrift store near the...