Three old towns were the principal centres of the kingdom of Ramkhamhaeng:
Sukhothai (the capital)
Si Satchanlai (second royal residence)
Source: UNESCO World Heritage
Postcard 1 - Sukhothai Historical Park
I visited Sukhothai Historical Park on the way from Chiengmai back to Bangkok in 2015. Fun to ride a bicycle to visit all the different sites in this Historical Park. This postcard was cancelled at Sam Sen Nai post office of the Postal Museum in Bangkok.
Postcard 2 - Si Satchanalai Historical Park - Wat Chedi Jet Thaew
Wat Chedi Jet Thaew of Si Satchanalai Historical Park - the second royal residence of Sukhothai Kingdom.
Postcard 3 - Kamphaeng Phet Historical Park - Wat Phra KaeoWat Phra Kaeo of Kamphaeng Phet, Thailand. I have been looking for a postcard of Kamphaeng Phet for a long time. Special thanks to Karaket of Thailand.
Postcard 4 - Map location of old capital of Sukhothai
Postcard 5 - Sukhothai Historical Park - Wat Mahathat
Wat Mahathat is translated as Temple of Great Relics.
Postcard 6 - Sukhothai Historical Park - Wat Si Chum
This is the largest Buddha image in Sukhothai. It took me 15 minutes to bicycle there from the main temples of Sukhothai Historical Park.
Postcard 7 - Sukhothai Historical Park - Wat Si Sawai
Postcard 8 - Sukhothai - Wat MahathatWat Mahathat, Sukhothai. Thanks to Jean-Pierre of France.