Switzerland, BIE/IBE. Official Michel 1–8 I used, 1918 Indusrrielle Kriegs Werkshaft thin overprint set (8). With the scarse 7½ grey type III. With ATTEST C.H.Trabert 1986. Very fine. EUR 3700
A buyer’s premium of 25% plus a 20 SEK lot charge is added to the hammer price
