How to Identify Perforations on stamps
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How to Identify 1890’s George Washington Stamp Variations
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How to use a perforation gauge.
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Roxana: The Persian Queen Who Changed Alexander the Great’s Destiny
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A $175,000 Benjamin Franklin Stamp?
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1911 Stamp Album Search #philately #stampcollecting #stamps
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How to identify Stanley Gibbons catalogue quality stamps
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How to Identify Difference Between Flat Plate and Rotary Printing on Stamps
16:03