Mailbox with Red Flag Raised - Symbol of New Mail Delivery #207787 (License: Personal Use)

This hand-drawn illustration shows a standard residential mailbox in gray metal, mounted on a brown wooden post. The red signal flag is upright, indicating outgoing mail or newly delivered letters, and a white envelope is partially visible inside the open compartment. The style is simple and cartoon-like, emphasizing clarity and recognition.

Used on websites related to postal services, email marketing analogies, community announcements, or educational content about mail systems; matches user intent for visual metaphors of communication, delivery status, or inbox notifications.