score:8
The Dominion of Newfoundland sent High Commissioners to the United Kingdom from 1918 to 1934 when the Dominion was abolished[1]. It is of note that, unlike other Dominions of the United Kingdom including Canada, the United Kingdom did not send a High Commissioner to the Dominion of Newfoundland.
[1] https://en.wikipedia.org/wiki/High_commissioner_of_Newfoundland_to_the_United_Kingdom