Chernihiv (Type 2). 1918, black overprint on perforated 3k red, postal cancellation, minor bottom left corner margin imperfection, still VF and very rare, expertized by J. Bulat, the stamp is listed, but has no price in the Bulat Cat., ex-Dr. Seichter and Dr. Zelonka (Image)

Chernihiv (Type 2). 1918, black overprint over black surcharge 20k on 14k blue and carmine, large part of postal cancellation, fresh colors and intact perforation, VF and extremely rare, expertized by J. Bulat, ex-Dr. Zelonka, the stamp is not listed in the Cats. (Image)