Some sources claim that this mark was "until around 1960" used by C.M. Hutschenreuther from Hohenberg while others point towards Lorenz Hutschenreuther from Selb. I myself tend to blieve that it actually belonged to the united (1969+) Hutschenreuther AG. So far, I could not find any proof for either of these claims. In context, this (translated) excerpt could be interesting:
"... The isolated settlement of Blumenthal is a district of the town of Selb. In 1833, Commercial Councillor Johann Michael Zeitler acquired the Blumenthal estate. In 1895, Eugen Hutschenreuther, a son of Lorenz Hutschenreuther, purchased the estate and built a brick villa alongside the existing farm buildings. In 1973, the porcelain manufacturer Hutschenreuther AG acquired the entire site, including its buildings and fish ponds, and established a holiday retreat there for employees seeking relaxation and for long-serving staff celebrating work anniversaries. Until 1991 a restaurant and a small porcelain museum operated on the premises ... "