Commerical time: Hakosuka commuter
Fourty two years ago there was a businessman returning home from his work in his new shiney Nissan Skyline GC10. Judging from the short nose it is almost certainly powered by the G-15:
It is also funny to see the comparison with the Japanese Grand Prix winning Nissan R381 #20. That would certainly be a good reason to wear those leather gloves during daily commute.