Hans Frank office envelope

Small batch of orginal  general government envelope with printed general government and dry stamp national Eagle with swastika. Envelope comes from Hans Frank office based in Krakow and was picked up by locals when german fled and theye offered first time on collection market. It might be a unique and only lifetime chance to acquire an item related so close to nazi official Hans Frank. 
Envelopes are good condition with some minor stains and age related discolorisation.