Take a look:
Here's what it says in English:
WARNING."That's a bit mean." Was Dolores's reaction to the advert. But there were a lot of counterfeit goods around. And companies had to protect their brands.
It has be shown to the undersigned that Company of J.A. OF OLFSEN, agent of the firm Van Vollenhoven & Co.., Amsterdam, living here, Haringvliet No. 83, sold its Van Vollenhoven's STOUT as DELI-EXTRA STOUT. Therefore, everyone in his own interest is warned that Deli Extra Stout has never been purchased by the company JA VAN OLFEN from the undersigned of Deli Brewery.
DELI-EXTRA STOUT, which according to Chemical Report excells over Van Vollenhoven's and BASS & Co.'s. Stout, can be obtained at major grocers, bottlers, Hotels and Cafes as well as from the Principal Agent
C.J.F DE VOS,
Chemical Reports are sent free on request."
Source: Het nieuws van den dag : kleine courant 25-08-1890
Funny thing is, though, I always thought Van Vollenhoven's Stout was the most highly-regarded.