WORLD WAR I SUBMARINES, BATTLESHIPS & TORPEDO BOATS IN SAN DIEGO HARBOR. C.1916. A great view of our early submarine fleet and the harbor full of activity. Back of card has commentary on the development of the submarine, and mentions the sinking of the Lusitania. Keystone View Company. Size 3.25 x 7. Image is very good. Card has modest wear at corners. $20 -- SALE $15

WORLD WAR ONE. FOUR OF OUR SUBMARINES IN DRY DOCK AT NAVY YARD. C.1916. A terrific glimpse of Yankee ingenuity as four early subs share a single dry dock built for one ship. The subs look like toys. Nice ship and harbor view in background. Keystone View Company. Size 3.25 x 7. Image and card are near mint. $25 -- SALE $15

WORLD WAR I. FRENCH WOUNDED BEING PUT INTO AN AMBULANCE. A behind the scenes view. Keystone View Company. Size 3.25 x 7. Image and card in fair condition. $7.50

WORLD WAR I. RED CROSS DOG "REPORTING" TO FIRST AID SQUAD WITH HELMET OF WOUNDED FRENCH SOLDIER. Uncommon view of a dog at the front. Judging by the soldier's clean helmet and uniform, this was a staged shot. Makes sense to us. Keystone View Company. Size 3.25 x 7. Image and card in good condition. $35 -- SALE $20

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WORLD WAR I. GERMAN PRISONERS AND FRENCH GUARDS. Good closeup view of exhausted, demoralized prisoners. You can clearly see the hobnails that once ground down France and Belgium. The French guards don't look too concerned. Keystone View Company. Size 3.25 x 7. Image and card in very good condition. $20 -- SALE $15

WORLD WAR I. VAST AMERICAN KITCHEN AT PORT OF BREST, FRANCE. Fantastic view of how we fueled the millions of Americans who went to France. You can see some of the 21 ranges in this kitchen. The embossing on the ranges is great. Wonderful depth to the view. Keystone View Company. Size 3.25 x 7. Image and card in very good condition. $20 -- SALE $15

WORLD WAR I. HAPPY HOMECOMING FOR SOLDIER FATHERS. C.1919. Fun view of American soldiers, wives and babies. On the back of the card is a salute to the soldiers for their service in key American battles such as St. Mihiel and Meuse Argonne. Keystone View Company. Size 3.25 x 7. Image and card in fair to good condition with a few creases in image. $10 -- SALE $7 -SOLD-