backgrounds classifications colors colours rough seashells shapes shells Sizes smooth textures types variety bivalve bubbles froth scallop wet wet sand edge edges mollusc mollusk pearly pitted ridge ridges rim sharp spiral spiraling spiralling surface texture turns twists accessories angles antique-cars Antiques appearance automobiles autos car car-clubs car-enthusiasts care cars classic collectors engines exotic historic historical history hobby horns investment lamp lamps lights maintained maintenance motor motor-car motor-cars old original parts rare rarity restoration restore restored running-boards serviced special-interest transport transportation unmodified vehicles veteran vintage wheels