Here you go. See the attached.
I'm not seeing any instances of that. The most recently added unequipped item had the form:
YY YY 00 00 VV VV 00 00 00 00 00 FF FF FF FF FF 02 00 00 00
I can see instances of:
YY YY 00 00 VV VV 00 00 00 00 00 00...
You're probably better off just buying a generic sword from a store, leaving it unequipped, and then manually hex editing the save to change the item ID.