Human brain png vintage illustration, transparent background. Remixed by rawpixel. https://www.rawpixel.com/image/10870132/png-face-borderView licenseMetal: Li Kui (Kin, Riki), from the series "The Five Elements of The Water Margin (Suiko gogyo)" by Totoya Hokkei https://www.rawpixel.com/image/8952667/image-cartoon-person-patternFree Image from public domain licenseStar deities of the northern and central dippers by Unidentified artist https://www.rawpixel.com/image/9185383/star-deities-the-northern-and-central-dippersFree Image from public domain licenseTwo Single Pages from the New Illustrated Edition of 'Tales of the Water Margin’ and another by Katsushika Hokusai https://www.rawpixel.com/image/11931564/image-face-person-artFree Image from public domain licenseProfit Margin Finance Income Sales Revenue Accounting Concept https://www.rawpixel.com/image/751981/free-image-rawpixelView license