1939 MUNICH REGISTERED AIRMAIL to CANADA, #C50(x4) pays the 9 gram (½ ounce) 60ph surcharge airmail rate + 30pf Registration fee + insufficiently paid the Express service that was subsequently cancelled, on cover dated JUL22-1939 and addressed to Toronto, routing via Lufthansa to Lisbon + Pan-Am Clipper to New York on JUL 31st + Toronto on AUG 1st, arrived one month before WWII was declared, some rough opening on backflap, rare and F-VF est ($75+US) (Image)