1991 Kona Hahanna Seat tube diameter?

Sharpy

Old School Hero
Hey there, ive recently purchased a 1991 Kona Hahanna and to restore it I need a new seat post - it diddnt come with one. While measuring it with my digital vernier callipers it came up as 26.2, however with the huge variations in diameter i really dont want to purchase the wrong size, so, is there anyone who can help me with this?

I have already had a look at the catalogue from 1991 and it simply states the seatpost as 'Kalloy 300m', thus its no help at all.

Thanks!
 
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