Never was this more strongly emphasized than in 1958, when mainland China began artillery bombardments of Kinmen Island. The Kinmen Chu Kwang Tower Stamps (definitive stamps first printed in 1959 and reissued in 1960 and 1964) and the topical series on the Defense of Kinmen and Matsu (1959) were aimed at inspiring all soldiers and citizens to fight on against mainland China.
特別是民國四十七年，中共發動戰役，砲轟金門後，「金門莒光樓郵票」、「保衛金馬郵票」等以金馬前線為主題的郵票，在在惕勵全國軍民「毋忘在莒」的精神。