Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Great Britain - Zeppelin Flight - 1934 (October 13-16), 10th SAF cover from London to Uruguay, franked by two pairs of King George V 1s bister, London ''12 OC 34'' cancellation, Friedrichshafen ''13.10.34'' connection, two flight markings in red and violet, Montevideo ''OCT. 18. 34'' receiver, some reversal soiling, F/VF, Sieger #280, Est. $100-$150, Scott #200