The coordinates for the cache location are:
N 60° 16.xxx
E 24° 59.0yy
To find out the missing digits you have two options:
Option 1: physical
The position giving in the heading for this cache, will take you to a big building. On the wall is a a quote from a famous book. You should now find out the chapter and strophe (säkeistö) for that quote (aa:bb)and you will get the position as follows:
xxx = 700+aa
yy = 70+bb
Option 2:half virtual, half physical
Close to the position giving in the heading for this cache, is an anonymous crypt for the person who in 1808 decided that the fortress just outside Helsinki should surrender to the Russians almost without a battle.
(If you do not know which fortress, you should first find http://www.geocaching.com/seek/cache_details.asp?ID=11169 hidden by rgylden)
When you have figured out who this person was and when he lived and died, you will get the position for the cache as follows:
xxx = year of birth - 972
yy= year of death - 1739
The cache can be reached without rubber boots, but be careful and we recommend that you look for the cache in daylight.
It would be nice to know which option you used to find this cache. Maybe both?