From excavations at the Orkney Islands in Northern Scotland—this exposition of ancient glass beads, probably made from imorted Western Asian glass.

At first I said to myself, "these look like 20th C. German ring beads." However, then I realized they are 2 to 2.5 mm in diameter. So, not the same things at all.

https://archaeologyorkney.com/2022/01/31/swartigill-blue-beads/?fbclid=IwAR0cjGlLhuaQfwTYuwW1yiKx4G0VfMExFyr4JCRE2Cf6km1St2enHDkZyiU