date of issue – 發行日期

definitive stamp – (regular issue), 常用郵票, 普通郵票

Delivery Receipt for Registered Article – (掛號)收信執據

delivery time – 送達時間

denomination – (face value), 面值

diamond stamp – 菱形郵票

dispatch list – 寄信清單

double cancellation – 複蓋