A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, classic } from '@wordpress/icons';
<Icon icon={classic} />
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M20 6H4c-1.1 0-2 .9-2 2v9c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm.5 11c0 .3-.2.5-.5.5H4c-.3 0-.5-.2-.5-.5V8c0-.3.2-.5.5-.5h16c.3 0 .5.2.5.5v9zM10 10H8v2h2v-2zm-5 2h2v-2H5v2zm8-2h-2v2h2v-2zm-5 6h8v-2H8v2zm6-4h2v-2h-2v2zm3 0h2v-2h-2v2zm0 4h2v-2h-2v2zM5 16h2v-2H5v2z"></path></svg>
classic – WordPress Icon Library