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	<title>Vintage Oil Advertising &#187; proofing</title>
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		<title>Vintage WYNN&#8217;S Friction Proofing OIL Advertising Cardboard Sign 1945</title>
		<link>https://vintageoiladvertising.com/2025/10/vintage-wynns-friction-proofing-oil-advertising-cardboard-sign-1945/</link>
		<comments>https://vintageoiladvertising.com/2025/10/vintage-wynns-friction-proofing-oil-advertising-cardboard-sign-1945/#comments</comments>
		<pubDate>Sat, 04 Oct 2025 10:15:42 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[vintage]]></category>
		<category><![CDATA[advertising]]></category>
		<category><![CDATA[cardboard]]></category>
		<category><![CDATA[friction]]></category>
		<category><![CDATA[proofing]]></category>
		<category><![CDATA[sign]]></category>
		<category><![CDATA[wynns]]></category>

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		<description><![CDATA[23.5&#8243; x 8.5&#8243;. Sign is in great condition, minor wear and tear associated with age. Photos are an accurate representation of item. Please reach out if you have any questions <a href="https://vintageoiladvertising.com/2025/10/vintage-wynns-friction-proofing-oil-advertising-cardboard-sign-1945/" class="more-link">[&#8230;]</a>]]></description>
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23.5&#8243; x 8.5&#8243;. Sign is in great condition, minor wear and tear associated with age. Photos are an accurate representation of item. Please reach out if you have any questions about this sign.  <br/>  
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