Description: Mosinger's accepted suggestion (bust portrait of king Nikola) for series of Montenegro stamps for the occasion of the coronation of King Nikola 1910. Rare trial, printed in Zagreb, described in HFS handbook for Montenegro No. 10 page 109. Design accepted and order were made, but Mosinger have entered in business problems and was not able to make ordered stamps. Very rare, good quality. Guarantee of the auction.