項次 488

1930-1940s a group of 6 covers to USA or Canada posted onboard paquebot, f.w. SYS and Martyrs issues, tied by paquebot cds or slogan machine d.s. upon transit.

1930至1940年代一組六件船上投遞寄北美之信封，貼孫像及烈士票，銷郵船日戳或於落地時銷宣傳機戳。