Dr Martens vintage 50s black leather 3-hole shoes, museum collectibles made in Germany

Vintage 1950s Dr Martens shoes never found until now.
Very rare!
Mint condition.
No signs of wear.
They are made of black leather and have no scratches or discolorations.
Very comfortable, although, given their rarity, they should be placed in a display case.
EU 38.5/39, UK 5.5/6.
Still made in Germany.