Correspondece dated January - February 1929, in connection with the suitcase involving infringements of Coca-Cola's trademark in London, England: 

• Letter dated January 14, 1929 from the Bureau's London Office, to the Bureau's Assistant Director, Washington, D.C., on the subject of "Coca Cola Trade Mark - reference 25-CJJ" - regarding a suit case involving the Coca-Cola trademark in England - 2p 
• Letter dated February 6, 1929, from the Division of Commercial Laws, to the Commercial Attache in London, on the subject of " Coca-Cola Testimony" - 1p 
• Letter dated February 28, 1929, from Trade Commissioner in London, to the Division of Commercial Laws, to the Commercial Attache in London, on the subject of " Coca-Cola Testimony" - 1p