Shark attack, 1955-02-06 (Unprovoked)
Location: Pacific Grove, Monterey County, California, USA
Time: 12h00
Activity: Spearfishing
Victim: James F. Jacobs (M, age 19)
Injury: Swimfin & 2 wool socks removed by shark, suit torn
Fatal: N
Species: White shark, 5 m to 6 m [16.5' to 20] 
Source: R. Collier, pp. 13-14; D. Miller & R. Collier; California Fish & Game; V.M. Coppleson (1958), pp. 156 & 254; H.D. Baldridge, p.68