Portomærken
![Luxembourg 1920](/image/96680/base250X250/luxembourg-1920-luxembourg-postage-due-30-on-25-cent-plus-15-on-12-one-half-a.jpg)
Luxembourg, Michel Porto 8-9, Klip
1920. LUXEMBOURG. POSTAGE DUE. 30 on 25 cent + 15 on 12½ á payer. Beautiful cancel on small pieces.
![Luxembourg 1920](/image/80172/base250X250/luxembourg-1920-luxembourg-postage-due-30-on-25-cent-a-payer-luxus-cancel.jpg)
Luxembourg, Michel Porto 8, Stemplet
1920. LUXEMBOURG. POSTAGE DUE. 30 on 25 cent á payer. Luxus cancel.
![Luxembourg 1920](/image/80173/base250X250/luxembourg-1920-luxembourg-postage-due-15-on-12-one-half-cent-a-payer-luxus.jpg)
Luxembourg, Michel Porto 9, Stemplet
1920. LUXEMBOURG. POSTAGE DUE. 15 on 12½ cent á payer. Luxus cancel.
![Luxembourg 1922-1935](/image/80174/base250X250/luxembourg-1922-1935-luxembourg-postage-due-3-francs-a-payer.jpg)
Luxembourg, Michel Porto 22A, Stemplet
1922-1935. LUXEMBOURG. POSTAGE DUE. 3 francs á payer.
![Luxembourg 1922-1935](/image/80175/base250X250/luxembourg-1922-1935-luxembourg-postage-due-2-francs-a-payer.jpg)
Luxembourg, Michel Porto 21A, Stemplet
1922-1935. LUXEMBOURG. POSTAGE DUE. 2 francs á payer.
![Luxembourg 1907](/image/80176/base250X250/luxembourg-1907-luxembourg-postage-due-complete-set-with-7-stamps.jpg)
Luxembourg, Michel Porto 1-7, Stemplet
1907. LUXEMBOURG. POSTAGE DUE. Complete set with 7 stamps.