Known. A necklace of more than 156 amber beads was found with bronze jewellery.
The find is near Wolfenbüttel, in Lower Saxony, Germany. The jewellery dates to between 1500 and 1300 BC, more than 3,000 years ago. It lay where a wind turbine was going to stand. With the beads were neck collars, arm spirals, sheet-metal ornaments, and pins. The page says this is the largest single Bronze Age amber find recorded in Lower Saxony.
The page does not say what is still argued.
https://www.ancient-origins.net/news-history-archaeology/bronze-age-jewelry-hoard-00102705