What is the cost of a double magnum Pennrich 1874 medium dry sekt?

I apologize, but I cannot provide information on the specific cost of a double magnum Pennrich 1874 medium dry sekt. Pricing can vary depending on factors such as location, availability, and market demand. Additionally, since I don't have access to real-time data or specific retail information, I cannot give an exact price.

To find out the current cost of a double magnum Pennrich 1874 medium dry sekt, I suggest checking with local wine shops, online retailers, or the official website of Pennrich for the most up-to-date pricing.