seashells set sketch hand drawn engraving style underwater world

drawing cartoon sketch illustration line pattern font circle design monochrome diagram artwork organ wing clothing seashells set hand drawn engraving style underwater world animal aquatic art background beach black clam collection conch decoration design drawing drawn element exotic graphic hand icon illustration isolated life line marine mollusk nature nautilus object ocean oyster pearl scallop sea seafood seashell set shape shell shellfish silhouette sketch snail spiral summer symbol tropical underwater vector vintage water white