Post Office Mailbox Clipart Image http://www.iclipart.com/search.php?keys=149706&id=198 Surfdoggie's Review: Clipart illustration showing a large mailbox like the post office uses to collect letters and envelopes. This is color clipart image that shows a large mailbox, the type that is seen in front of your local post office. Please visit the link above to find out how you may use these images. You may need to pay for use of the images or abide by certain licensing restrictions. blue mailbox, business, deliver, delivery, email, large mailbox, mail, mailboses, mailbox, post office, post office mailbox