query on Jalak Budho Keris

[satsujinken]

in addition

this is what I expect in singosari era keris in terms of corrosion level compared to the age (around 750 years)

this one belonged to a collector, and known as Singosari era keris

luk 5, kelengan (without pamor) - or well perhaps the pamor is destroyed due to corrosion - who knows ...
and the odd thing is the peksi / pesi is squared (not rounded) - or my eyes deceiving me