Akkerman 29 Hofvijer Grijs
5320 South Shackleford Road
Little Rock AR 72204
Hofvijer Grey fountain pen ink made by P.W. Akkerman pen store in The Hague.
Originally made to celebrate their 100th anniversary, this ink comes in a vintage-style bottle with a narrow neck with a marble stopper, to create a well at the top to aid in filling pens.
Hofvijer is a pond in the centre of The Hague. In the middle there is a small island with plants and trees which has no name, it is usually referred to as "the island in the Vijverberg". (source: Wikipedia) Ackerman