1906 - 1938 POST OFFICE OFFICIAL SEALS

ISSUE OF 1906 Lithographed on Unwatermarked Paper. Perforation 12.

Light Brown OX1

ISSUE OF 1907 Watermarked "PIRS" in Double-Lined Capitals

Perforation 12 Light Brown OX2 Unlisted Red Brown OX2a

Hyphen-Hole Perforation 7 Orange Brown OX3

ISSUE OF 1911 Hyphen-Hole Perforation 7. OX5 Exist on Unwatermarked Paper

Yellow Brown OX4	Olive Bistre OX5	Yellow OX6

ISSUE OF 1913

Unwatermarked Hyphen-Hole Perforation 7	Unwatermarked Perforation 12	Watermarked "USPS" Single-Line Hyphen-Hole Perforation 7
Yellow OX7	Yellow OX8	Yellow OX9

ISSUE OF 1934 Unwatermarked. Rouletted. NO IMAGES YET

Dark Blue OX10

Dark Blue OX11

ISSUE OF 1938 Unwatermarked. Hyphen-Hole Perforation 7. NO IMAGE YET

Dark Blue OX12