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In mid-1924, the Rambler Shoe Company, a mail order company in Manila, began handstamping stamps purchased from the Bureau of Posts with the initials "R.S." in a rectangular box in black, blue or purple. The Bureau of Posts tolerated the usage of these stamps which was used by the company for about a year. |
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Single Line Watermark PIPS |
Single Line Watermark PIPS |
 
Blue and Unlisted Black |
  
Purple, Blue and Unlisted Black |
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Black |
Black |
Purple |
Blue |
Purple, Unlisted |
Purple |
Purple, Unlisted |
Blue, Unlisted |
Purple |
Purple |
Purple |
Blue |
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