97 98 Pg. 97, 13/5/1961, NB230 B4, Lot 818 Pg. 97, 13/5/1961, NB230 B6, Lot 814 Pg. 97, 13/5/1961, NB230 B1, Lot 771 Pg. 98, 13/5/1961, NB230 B2, Lot 770 Pg. 98, 13/5/1961, NB230 B2, 1961-006-07, Walls ... 13/5/1961 ... NB 230, spread 53 (pp. 97 - 98)