Postal marking

<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Indicia_(philately)/WFqAzQp9">Indicia (philately)</a></li></ul>

<p>Some representative works:
</p>
<ul><li>Konwiser, Harry M. (1980). <i>Postal Markings</i>.</li>
<li>Simpson, Tracy W. (1959). <i>United States Postal Markings and Related Mail Services, 1851 to 1861</i>.</li>
<li>Simpson, Tracy W. (1979). <i>Simpson's U.S. Postal Markings, 1851-61</i> (revised and enlarged ed.).</li>
<li>Kane, William. <i>Catalogue of the postal markings of Dublin, c. 1840-1922</i>. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 0-9507548-0-3.</li>
<li>Leathes, John (1997). <i>Postal Markings of the German U-boat Arm During the First World War 1914 to 1918</i>. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 1-902101-00-6.</li></ul>
<h2 id="external-links">External links</h2>
<ul><li><a href="http://www.earsathome.com/webgil/phtoc.html">British postal markings</a></li>
<li><a href="http://www.hawaiianstamps.com/postalm.html">Hawaiian postal markings</a></li></ul>

Postal marking open-in-new

Postal marking