Old 1898 Richter´s Anker Steinbaukasten Set Br 4A, GK, original,
Richter & Cie. Stones GK NF. Manufacture: F. Ad. Richter & Cie. made in Germany. In 1890 there were 338 GK stone sets and 78 KK, then were produced over 600 different Anchor Stone Building Sets. Anchor Stone Building Set.