
Definition: Obsolete name for a Chinese silvery white metal alloy in the Nickel Silver family. Variant spellings:Packtong, Pakton, Packfong, Pakfong, Paitung, Paitun, Baitong, Baitun, Baitung.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Chinese for 'white copper' -the name given to a silvery-coloured alloy of copper, zinc and nickel. It was made in China from ancient times for money, hinges on furniture, domestic items and - because of its ringing quality - for bells and gongs. Although its export from China was illegal, some reached Britain in the 18thC; a similar alloy was made …...
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Also Packfong and Pai-t’ung.
Found on
https://oldcopper.org/special_topics/glossary.php
No exact match found.