https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9064846Edit ImageSaveSaveEditCropCustom TextPinback button for a national holiday for Martin Luther King, Jr.Original public domain image from SmithsonianMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSocial Media JPEG 1080 x 1090 px | 300 dpiInstagram Post JPEG 1080 x 1090 px | 300 dpiFacebook Post JPEG 1080 x 1090 px | 300 dpiLarge JPEG 3467 x 3500 px | 300 dpiBest Quality JPEG 9711 x 9803 px | 300 dpiSocial Media TIFF 1080 x 1090 px | 300 dpiInstagram Post TIFF 1080 x 1090 px | 300 dpiFacebook Post TIFF 1080 x 1090 px | 300 dpiBest Quality TIFF 9711 x 9803 px | 300 dpi | 276.74 MBFree DownloadPinback button for a national holiday for Martin Luther King, Jr.More