Tercentenary of the Romanov Dynasty. 1913, Alexander II, 2k green, horizontal pair, right stamp with opened pre- printed paper fold, full OG, NH (error) or LH, VF (Image)

Tercentenary of the Romanov Dynasty. 1913, Alexander III 3k rose red and Nicholas II 7k brown, two horizontal pairs with vertical perforation strongly misplaced, full OG, NH or LH (one stamp of each pair), VF (Image)

Tercentenary of the Romanov Dynasty. 1913, Nicholas II, 7k brown, bottom left corner sheet margin horizontal pair, nice foldover and partial albino impression on the selvage, full OG, previously hinged, VF and spectacular (Image)

Tercentenary of the Romanov Dynasty. 1913, Alexander I, large die proof of 20k in blue, printed on thick chalk-surfaced paper, size 35x49mm, slight traces of previous mounts, no defects, VF and rare proof in blue color (Image)