Seabury & Johnson Catgut Suture Length of catgut suture in a small circular paper container. Top of lid reads: "SEABURY'S/ASEPTIC LIGATURE/GUARANTEED STERILE". Label around rim of lid and base reads: "CATGUT No. 2, LENGTH 30 INCHES. STERILIZED AT 330°F WITHIN THE SEALED, GERM PROOF INNER CAPSULE WHICH OPEN ONLY UNDER ASEPTIC CONDITIONS. CUT ON THIS LINE. SEABURY & JOHNSON NEW YORK, U.S.A." [1875-1925]