Assertion: stiletto's blade | /r/HasProperty | changed its shape
Facets:
value: before every
type: TEMPORAL
Source sentences:
text: the mid-13th century.:69–70;:137–139 It is classified as a type XII sword with a type I pommel and a type 6 crossguard according to the Oakeshott typology,:126 although the blade may have changed its shape due to centuries of corrosion and intensive cleaning before every coronation.:76