Iconkeep › Holidays & Culture Pillar Box icon Pillar Box line icon from the holidays & culture set. Free download as SVG or PNG, 48px grid, 1.5px stroke, for personal and commercial use. Tags: british, mail, box, post, royal, mail.Download pillar box.svg Tags: british, mail, box, post, royal, mail Related holidays & culture iconsPilgrim At KaabaPiscesPigtail ZombiePistolPharaoh ProfilePlain EggPharaoh ProfilePlumed Helmet Side