1906 (Apr 25) stampless earthquake mail cover to Germany, San Francisco machine cancel, New York tax handstamp, Ploessberg arrival backstamp, fine condition. Rare to an overseas destination. [Following the earthquake of the 18th April, the Post Office Department announced that mail from San Francisco was to be sent free of postage until further notice] (Image1)

Estimate AU$320

1964 (Mar 17) use of mourning cover to Australia with 'Jacqueline Kennedy' signature frank and 'Mrs. JOHN F. KENNEDY' print on flap, a link to a tragic time in American History. (Image1)

Estimate AU$350