What you may get for you amp.
The price in Canadian $ for a Dynaco 70
https://www.canuckaudiomart.com/details/649512771-dynaco-stereo-70/
https://www.canuckaudiomart.com/details/649507824-dynaco-st70-tube-amplifier/
https://www.canuckaudiomart.com/details/649510679-dynaco-st70/
Price in US $
https://www.canuckaudiomart.com/details/649512177-dynaco-st70-restored-and-excellent/
The price in Canadian $ for a Dynaco 70
https://www.canuckaudiomart.com/details/649512771-dynaco-stereo-70/
https://www.canuckaudiomart.com/details/649507824-dynaco-st70-tube-amplifier/
https://www.canuckaudiomart.com/details/649510679-dynaco-st70/
Price in US $
https://www.canuckaudiomart.com/details/649512177-dynaco-st70-restored-and-excellent/