Hello Green,
here you can see my Pandai Saras blade:
http://www.vikingsword.com/vb/showth...t=pandai+saras
Here another one:
http://www.vikingsword.com/vb/showth...t=pandai+saras
Here you can see two Carita blades:
http://www.vikingsword.com/vb/showth...t=pandai+saras
And here a Melela blade:
http://www.vikingsword.com/vb/showth...ghlight=melela
Tok Chu is a pandai keris and not a specific blade form. I hope this help a little bit.
Regards,
Detlef