correspondence line icons collection. letters, communication, email, postcards, mail, penpals, statiry and linear

vector icon line sign letters communication email postcards mail penpals statiry envelopes messages handwritten correspond epistles exchange inquiries ty notes writing greetings memos annotations fax mailing responses telegrams written postal dispatches parchments reports contact newsletters invitations dossier rumination intercommunication dispatch jotting service intercourse notetaking scrutinizing official document informal