银色油墨 meaning in Chinese

aluminium ink

With repeated application of the technique of chinese paper cutting , its style is consistent with that of the last three issues of the latest series . its uniqueness , however , lies on the meshing of silver against the default four colours which gives an extra touch of vivacity on the rams
邮票贯彻同辑前三套的风格，以中国剪纸手法制作，而今年除了以四色印刷外，更加上银色油墨以收润泽感觉，令四只吉羊倍添朝气。