论文部分内容阅读
志号编号49-52《红旗渠》邮票,1972年12月30日发行,全套4枚,面值均为8分,邮票票幅27x40mm,齿孔P11.5,影雕套印,北京邮票厂印制。编号49-52《红旗渠》邮票,其细腻的设计,精湛的印刷,实为影雕套之精品。特别是票幅小,对影写和雕刻的印版制作工艺增加了难度,将母版缩小制成子版,既要在印刷中套色
No. 49-52 “Red Flag Canal” stamp, issued December 30, 1972, a full set of 4, the par value is 8 points, the stamp sheet 27x40mm, perforation P11.5, Shadow carved overprint, Beijing Stamp Factory printing . No. 49-52 “Hongqi Canal” stamps, the delicate design, superb printing, in fact, the quality of carved shadow sets. In particular, the ticket is small, on the shadow and sculpture of the plate making process increased difficulty, the master reduced to sub-version, it is necessary to color in the printing