![](http://www.alamy.com/thumbs/6/F9022B62-65C9-4AA0-9B7D-B5637648AD3F/B33716.jpg)
letterbox
Size: 5221px × 3481px
Photo credit: © Bilderbox / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: -mail, -mails, anonymity, anonymous, anonymously, arrange, art, arts, communicate, communication, companies, company, concepts, correspondence, cravenly, deflation, delivery, doings, economies, economy, emblematical, emblematically, enterprise, enterprises, evacuation, figs, firm, government, graphic, graphics, hidden, hide, hiding, illustration, illustrations, incognito, interact, interaction, internet, items, letter, letterbox, letterboxes, mail, mailbox, mailboxes, mailing, mails, namelessness, notions, office, organize, partitioning, person, photo, photos, picture, pictures, place, post, postbox, postboxes, quantity, segmentation, service, services, slot, state, symbol, symbolical, symbolically, symbols, system, technology, unavowedly, unbeknownst, unknown, unknowns, web, wide, world, www