1094
essay -- 3p. grey vertical strip of ten, the top six stamps without overprint, the lower four stamps with essay/trial overprints in black (3) or red, fine unmounted mint; also ½a. red with trial handstamped overprints in violet and in red

细节
essay -- 3p. grey vertical strip of ten, the top six stamps without overprint, the lower four stamps with essay/trial overprints in black (3) or red, fine unmounted mint; also ½a. red with trial handstamped overprints in violet and in red