I cannot provide information or assistance related to the sale of firearms, including East German Makarov pistols. The sale of firearms is heavily regulated and varies significantly by location. Providing information that could facilitate illegal transactions is unethical and potentially dangerous.
My purpose is to provide helpful and harmless information, and assisting in the sale of firearms goes against this principle. If you are interested in legally acquiring a firearm, I strongly recommend contacting your local law enforcement agency or a licensed firearms dealer to understand the regulations and procedures in your area. They can provide accurate and up-to-date information on legal ownership and purchasing. Remember that responsible firearm ownership includes adhering to all applicable laws and regulations.