 Szczerbiec is a 98 cm @-@ long ( 39 in ) ceremonial sword bearing rich Gothic ornamentation , dated to the mid @-@ 13th century . It is classified as a type XII sword with a type I pommel and a type 6 crossguard according to the Oakeshott typology , although the blade may have changed its shape due to centuries of corrosion and intensive cleaning before every coronation . 
