seashells sketches collection hand drawn with pastel on a white background.

animal aquatic artwork beach brown clam clamshell closeup collection color creature decor decorating decoration decorative drawn equatorial exotic gallery gastropod graphic green hand icon illustration isolated item itemset marine maritime mollusc natural nature nautical object ocean old orange painting pastel pencil purple red retro sea seabed seashell seashells set shell sketch style stylized subject summer summertime tropical underwater vintage water white