Sweden. Military postal stationary Facit M3 **/*/¤, Proofs for the cutting-lines of the reply stamp. Extra type Ix, IIIx and IVx. Also four different normal types (I, II, III and IV) to compare with. All on a mounted page with a lot of knowledge. A must material in a collection to show the development of the cutting-lines. Excellent quality. Exhibition material! (7).