Fake Berlin Wall fragments on sale as souvenirs?

It's been nearly 40 years since the fall of the Berlin Wall but you can still buy pieces of it in the German capital as souvenirs. Are they the real deal?

source https://www.dw.com/en/fake-berlin-wall-fragments-on-sale-as-souvenirs/a-75789039?maca=en-rss-en-ger-1023-rdf