Indeed, where is it written that headlights must be symmetrical, that they must match?
At rest at last.
Whenever people of my age who have owned one of these at some point in their lives see one now, there inevitably follows a conversational session of reminiscence about the experience of that ownership. Michel, who sold Volkswagens and Audis in the Montreal area for a time during his wasted youth, is one of those who can tell you the year of any particular Beetle by looking at the number and arrangement of the louvers in the deck over the engine and the style of the taillights, headlights, back window, etc.
Volkswagen continued to manufacture and sell Beetles in Mexico long after they ceased selling them in the United States of America. Consequently, more survive here.
Consider this beautiful specimen. Clearly, this must be one of the most nearly perfect designs for a machine ever conceived by the mind of man.