Help me please to identify the silversmith. His mark is A.G.

[Elena Russ]

Hello, dera Sirs.

Help me please to identify the silversmith. His mark is A.G.n.
Could you please tell me too wtat the building is represented on the plate.
Thank you.

[2209patrick]

Hello.

This information obtained from this Swedish site:
http://stamps.swedac.se/index_ns.asp?sLang=en

Pat.

[Elena Russ]

Hello.

This information obtained from this Swedish site:
http://stamps.swedac.se/index_ns.asp?sLang=en

Pat.

Hello.

In accordance with this information the company GUSTAFSSONS URMAKERIAFFAR ALBERT worked in the city VORNAMO from 1945 to 1947.
But my article bears the date cod «E8», which indicates the article was stamped in 1931. Why is so?