Classic Silver Donkey Cover

Title for the cover of a book, "Black Donkey" written vertically in a classic and clean font, silver color, neutral white background. --ar 3:4 Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.