Inherited stamps?

Do you have stamps from Feldpost 2. Weltkrieg - Allgemeine Feldpost (ohne Zulassungsmarken), Second World War Field Post - Michel Nos. 1, Second World War Field Post - Michel Nos. 2 - 4 (Packet Field Post), Second World War Field Post - Michel Nos. 5 (Tunis), Second World War Field Post - Michel Nos. 6-12 (Inselpost), Second World War Field Post - Michel Nos. 14 – 15 (Kuban, Crimea), Second World War Field Post - Michel Nos. 16 (Kurland), Second World War Field Post - Michel Nos. 17 (Ruhr Encirclement) and want to get them appraised?