Postmark

The postmark indicates that this letter was mailed a week ago.

When, therefore, having noted that the packet bore the postmark of Christminster, he cut the string, opened the volumes, and turned to the Latin grammar, which chanced to come uppermost, he could scarcely believe his eyes.

This letter has a Paris postmark.

The letter has a Berlin postmark.

He looked at the mauve envelope doubtfully, and examined the postmark. "Where is Pudlington, James? and one might almost ask—why is Pudlington? No town has any right to such an offensive name."