US WWII USN 1ST DAY POSTAL COVER (BOAT LAUNCHING) FOR THE “USS – GAR” (SUBMARINE), POSTMARKED ABOARD THE “USS GAR”, 4/14/41, MINT CONDITION

EXCEPTIONAL FIND OF US WWII “SIGNAL CORPSMENS” GROUP OF LETTERS TO HIS MOTHER, HE WROTE TO HER EVERY DAY (OR EVERY OTHER DAY) FROM THE PERIOD OF EARLY 1943 TO 1945, ALL 300/400 +/- LETTERS ARE MOUNTED IN SCRAP BOOK WHICH STARTS WITH HIS BASIC TRAINING AT SIGNAL CORPS SCHOOL AT FT. SAM HOUSTON, TEXAS AND ENDS IN 1945 IN THE PHILIPPINE ISLANDS, VG