Hawaii, Pearl Harbor Letter Home. Torn piece of cardboard franked with 1941, 20¢ Airmail tied by U.S. Navy postmark and matching censor handstamp, addressed to San Francisco and dated "Dec 9, 1941" two days after the attack on Pearl Harbor, with message "I'm, alright. Please don't worry.", Very Fine, a wonderful and rare World War II Adversity usage. Estimate  $200 - 300. $0 (Image)