this is recent, it was recovered in June 2012 Norway. The markings look visibly intact and the rear facing mg is still attached.
https://www.youtube.com/watch?v=Y2YKY3wnD3k&feature=related
Here are more detailed closeups, its remarkably in good shape considering that it was in seawater for 70 years.
http://www.worldwarbirdnews.com/2012/06/04/rare-heinkel-he-115-recovered-from-the-sea-in-norway/
https://www.youtube.com/watch?v=Y2YKY3wnD3k&feature=related
Here are more detailed closeups, its remarkably in good shape considering that it was in seawater for 70 years.
http://www.worldwarbirdnews.com/2012/06/04/rare-heinkel-he-115-recovered-from-the-sea-in-norway/