https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966690Edit ImageSaveSaveEditCropCustom TextArchitecture: four large keys in decayed condition. Wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 725 x 1200 px | 300 dpiLarge JPEG 1073 x 1777 px | 300 dpiFree DownloadArchitecture: four large keys in decayed condition. Wood engraving.More