1923, KOWEIT essay overprint on Service full set of 13, LPOG, prepared for use but rejected in favour of KUWAIT, each numbered 6 in pencil on reverse (except for 2a), very rare with only 24 complete sets (postage issue and official issue) made, fresh and attractive opt proof set, signed Roig and A. Diena, cert. BPA, XF! Estimate 30.000€. (Image)

Estimate € 30000