A very rare Americas Cup pin badge probably relating to the 1899 race, tin, with shamrock design to the front, in each leaf a picture of Thomas Lipton

A very rare Americas Cup pin badge probably relating to the 1899 race, tin, with shamrock design to the front, in each leaf a picture of Thomas Lipton's yacht 'Shamrock', maker mark for Whitehead & Haag Co., Newark, New Jersey, with Jersey Sailing Association patents