Hand-Drawn Seashells and Corals

hand drawn vector illustration of seashells and corals, navy biack ink on light grey background, simple design, bold lines, illustration in the style of handdrawn. --ar 2:3 --iw 2 --v 6.1 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.