(1) 1860 10k blue & rose, bright colors and sharp impression, well centered, placed upside down (a common practice to show defiance of the Russian rulers) and tied by "1" in concentric circles on complete FL (written in Cyrillic), sent 18 March 1862 from Warsaw to Moscow, red Warszawa (in Cyrillic) "18.3." departure cds, fine and attractive Poland Number One on cover, with small "tied to 1862 folded letter" label, ex-Rachmanov