Used in the provinces of Bulacan, Capiz, Iloilo, Negros Occidental, Pangasinan, Rizal, Tayabas and Zambales.

Earliest Recorded Use: March 2, 1906 at Capiz Province
Latest Recorded use: November 20, 1906 at Lucena, Tayabas Province.
On 1899 Issues

3c Jackson
Inverted O.B. on Right Stamp

15c Clay block of 4

1c Franklin Plate Block of 6

5c Grant Block of 4
THE LARGEST RECORDED MINT MULTIPLES
EXTREMELY UNCOMMON
Frame 5 / Page 72
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P-72
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P-74
P-75
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Type IX Small O.B. >