A nice December 16, 1911 flag cancel from the Charleston Postal Station in Boston, Massachusetts on this postcard showing the Navy Hospital in Chelsea, MA that was sent to Yokohama, Japan where it was canceled on January 12, 1912.  Interesting and attractive historic item.  Fine condition; sharper than the image may appear.  If the image does not readily appear, please try hitting your computer's reload or refresh button while viewing the item. Successful bidder to pay $1.50 shipping in the US ($2.50 elsewhere); insurance extra if desired. PayPal accepted for payment. Questions -- please ask~