1, 50 Fr. Dark red brown with overprint \"fortress Lorient\" in the vertical pair with variety \"missing overprint on of the lower stamp\", in perfect condition mint never hinged, these pairs \"with and without overprint\" are by fortress Lorient very rare and at the denomination value to 1, 50 Fr. Despite intensely research only in at present four copies known! The proof of these pieces leads now in addition to it, that this variety to the submission to the Michel catalogue to the cataloging proposed becomes, anyway a very rarees pair! Expertized Tust BPP and photo expertize Lothar Herbst VP (2016) : \"the condition is perfect. Due to the small issue from only 1.800 stamps are these stamps rare. By of this stamp are me so far only four vertical such pairs with of this variety known. Stamps pairs with and without overprint are therefore extremely rare. \" (10FI/10) Certificate (Image 1) (Image)