They're finding tons of old stuff here in Norway these days, even random people hiking in the mountain stumble over 1250 year old viking swords[1], spears, arrows. Skis from the year 700 AD.. etc..
Lots of it gets documented by the Secrets of the Ice project[2].
[1]: https://i.pinimg.com/originals/1b/25/3f/1b253f39890eaac465f6... [2]: https://secretsoftheice.com