The included factory letter Confirms the current gauge, grade, barrel length, and vent rib when it was completed on June 17, 1938 for American Olympic shooter Captain John B. Grier (Paris, 1924), it also lists a repair date of May 11, 1949. The letter has a note stating the back of the record lists skeet chokes. Chambers marked 2 3/4" with ejectors, chokes marked full/full, and 14" LOP.