MEMEL was the most eastern part of Preusen (south of Lithauen). After WW1 the territory was given to France in 1920 according to the Versailles Treaty. This beautiful block (**), a so-called „heart-piece” (because of the small blank stamp in the middle), was issued in 1922. I bought this block, together wit a collection of Memel on Ebay. CV: 500 €. It was later sold for 650 Nkr. (approx. 65 $).