The traits you described are also found in most of the Nordic/spitz type dogs. I don't see anything overly basenji-ish about him in the pics. What ever he is, he's very hansome.
Basenji clothing for winter
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My sister loves knitting and has offered to make Kipawa a nice warm sweater (she mentioned cashmere!). She has asked me to provide some pictures of basenjis wearing their winter wardrobes.
I would greatly appreciate it if those in the cooler climates could post a picture here so my sis can get some ideas.