ambulance cover

Noun

informal

(philately, informal) An envelope used by the postal authorities to convey a letter damaged during sorting.

Japanese Meaning

郵便局で仕分け中に損傷した手紙を送付するために使用される封筒

The collector carefully examined the ambulance cover used to carry a letter damaged during sorting.

収集家は、仕分け中に破損した手紙を郵便当局が送るために使った封筒を注意深く調べた。

Sense（1）

(philately, informal) An envelope used by the postal authorities to convey a letter damaged during sorting.

ambulance covers

（ plural ）