Glass/Now with the right Link: Does anyone know if this is a Soils find or?1 message

Now with the correct Link: Does anyone know something more about this?

I am very curious, I have already been with two experts but they did not know.

Thanks in advance for the effort,

https://www.catawiki.nl/catalogus/glas-en-cristal/fabrieken/-/6698865-gglas-vaas-bodemvonds

Greetings Gerard,