Silkworm Gut Ligatures The grey cardboard box with a lid contains silkworm gut ligatures, as reported on the label with blue ink writing. The label says, “100 strands finest selected silkworm gut ligatures length 15 [handwritten] inches size Marana 6 2/1 [handwritten in pencil] colour white [handwritten in pencil]. Fannin & Co Ltd Dublin”. Inside the box, the ligatures are rolled up and tied with a purple string. 1900-1949