Lot 1846

1952 First Tropical Medicine Congress and 1979 Temporary surch issue in complete sheets or half sheets. All mint and sevearl adhered with cellophane sheet on reverse.

1952年第一屆熱帶病學會會議及1979年臨時加蓋改值票版票或半版版票，均為新。部分背面貼有玻璃紙。