1918 50s black on rose double print unused, very rare, almost all surviving copies were cut through the right side during the printing process (Mi.€ 2'500). (Image)

1919 Sch on 3H bluish violet, two singles, pair and block of four, showing varieties "no dot after H" (80 possible only), "wide space between stars", also dramatically shifted overprints (Mi.€390 for regular singles).

1919 15sch on 36h, missing "H" in pair with regular stamp with light strike of a double surcharge, very rare if not unique; cert. Mikulski (not mentioned as DD). (Image)

1919 15sch on 36h with triple surcharge (third strike much fainter), fine and rare if not unique; cert. Mikulski (described as DD). (Image)

1919 Postage due Sch on 6H with overprint strongly shifted (line of overprint is 2-3-1 instead of 1-2-3), mint l.h., extremely rare. (Image)

1919 Postage due Sch on 8H with error overprint vertical, just 25 copies possible of which less than 5 recorded; cert. Mikulski (1999). (Image)

1919 Sch on 10(H) red-brown with error missing "Pen", very rare, only 44 copies of this stamp were overprinted, meaning that only two examples of such an error are possible, signed Mikulski (twice) (Mi. €3'600). (Image)