They are many sword most from a Ayutthaya 75 KM Nort Bangkok Old Capital in 16C - 18C
The blades
Sword no 1 Top is from Ayutthaya 17C-19C this styles found in Thailand and Cambodia
Sword no 2 Is Rattanakosin ( Bangkok) Art on 19C
Sword no 3 From Chopaya river at Ayutthaya Prov. Some One Diving and Fount
I don’t Clean it so want to show Blade & Tang angle . This From How to Use
Thai use sword in Same Logic of Muay Thai (Not Sport) maybe like this
http://www.muaychaiya.com/index_en.html