1936, 10 Shilling \"Dollfuss\", single franking, on registered Zeppelin contracting states letter from \"Vienna\" with special cancel \"Remembrance Day Vienna 25. VII 36\" transported on the 6. North America flight 1936 with LZ 129 Hindenburg, on face on route passing cancellation Vienna and Frankfurt, reverse arrival postmark New York 8.8.36, sending back at the 9.8.36 and returning in Vienna 22.8.39. The receipt is enclosed. Photo expertize Soecknick VOeB