Windows of Heaven serie. 2010 WINDOWS OF HEAVEN COLOGNE CATHEDRAL. FIRST YEAR ISSU – RARE. Coin in capsule with COA and box. What you see is what you get. The item “Cook Islands 2010 10$ Windows or Heaven Cologne Silver proof coin RARE” is in sale since Tuesday, June 13, 2017. This item is in the category “Coins & Paper Money\Coins\ World\Australia & Oceania\Other Oceania Coins”. The seller is “jnemard” and is located in Quebec, Quebec. This item can be shipped worldwide.