You will not find a door for a fridge more than 40 years old. Better buy a new fridge which fits into the place of the old one. I have found a new fridge which fits exactly into the place of my Sharki.
-- Gerhard Mueller Amel Sharki #60 Currently Kalamata, Greece
That does look factory and compliments the design.
I have no doubt I won't be able to restore the original, however it is a wide low design which will mean some modifications. Something that at some point I'll give thought to. Unfortunately my layout looks somewhat more cramped than yours.