英和和英

a letter-box

a post-office box

mail that is specially delivered called certified mail

an address written on a piece of mail

postage

an interim certificate

a post-box

a postmark

promissory post

a special system of postal delivery called certified mail

book-post

delayed mail matter

a till-called-for letter

postal rates

sample post

a reference

grant credentials to

advertisement post

a certificate

mail treated as simple registered mail

postal matter―mail matter

an address on postal matter

P. O. Box 100

a classification of envelope or package size called standard-size mail

a parcel that is sent in charge of the post office

parcel-post charge

mail called registered parcel

post delivery―mail delivery

a certified copy

to be called for―till called-for letters―poste restante