In approximately 1905, proof printings of the 1901 Yacht Issues were printed on paper with a lozenge watermark. The 3-Pfennig and 5-Mark proofs can be difficult to distinguish from the subsequent 1916/1919 issues on the same watermarked paper, differing only slightly in color.
1905 Yacht Issue Watermarked Proofs
MiNr. 13 P
MiNr. 14 P
MiNr. 15 P
MiNr. 16 P
MiNr. 17 P
MiNr. 18 P
MiNr. 19 P
MiNr. 20 P
MiNr. 21 P
MiNr. 22 P
MiNr. 23 P
MiNr. 24 P
MiNr. 25 P
In approximately 1905, proof printings of the 1901 Yacht Issues were printed on paper with a lozenge watermark. The 3-Pfennig and 5-Mark proofs can be difficult to distinguish from the subsequent 1916/1919 issues on the same watermarked paper, differing only slightly in color.