In approximately 1905, proof printings of the 1900 Yacht Issues were printed on paper with a lozenge watermark. The proofs can be very difficult to distinguish from the subsequent 1905/1919 issues on the same watermarked paper, differing only slightly in color.
1905 Yacht Issue Watermarked Proofs
MiNr. 7 P 1
MiNr. 8 P 1
MiNr. 9 P 1
MiNr. 10 P 1
MiNr. 11 P 1
MiNr. 12 P 1
MiNr. 13 P 1
MiNr. 14 P 1
MiNr. 15 P 1
MiNr. 16 P 1
MiNr. 17 P 1
MiNr. 18 P 1
MiNr. 19 P 1
In approximately 1905, proof printings of the 1900 Yacht Issues were printed on paper with a lozenge watermark. The proofs can be very difficult to distinguish from the subsequent 1905/1919 issues on the same watermarked paper, differing only slightly in color.