Man... it just goes to show. Out on the street, you can literally smash a Ford wagon in the ass with a Chrysler and the back window survives. But if you try, in perfect conditions, to carefully and gingerly remove the glass to reuse it... KSHHH! Breaks right down the center. Everytime.
1957 or 1958 Messerschmitt KR201(Kabinenroller) rare model, 450 manufactured. I own a 1957 model with 2,800 original miles.