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<p>[QUOTE=&quot;Insider, post: 5253163, member: 24314&quot;]For many years, the Breen Proof book was basically all we had.&nbsp; Then in the 1990s along came the Briggs book on Seated Quarters.&nbsp; That was the &quot;new&quot; go to source for Seated quarters.&nbsp; Times changed when images of coins began to be posted by auction companies and TPGS.&nbsp; PCGS screwed up their source when they limited what folks could see.&nbsp; Apparently that was done to make it harder to confirm the gradeflation going on.&nbsp; Now, the NGC site showing coins from auctions (mostly Heritage - BIG THANKS) has replaced it for me.&nbsp; Because of the Internet, the Briggs book is now on the bottom shelf where it is used on occasion.&nbsp; BTW, that is the first place I looked for the diagnostics of an 1891 Proof quarter.&nbsp; I found it of little help on this coin except to confirm one obverse die was used to strike 1891 Proof quarters. </p><p><br /></p><p><b>HINT:</b> First look at the OP&#039;s coin<b> that does not look like a proof</b> due to the rims.&nbsp; Now blow up the image and look for something on the die (raised on the coin).&nbsp; One speck on the obverse MAY jump out.&nbsp; What do YOU see [USER=104064]@KBBPLL[/USER] and others? <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie67" alt=":nailbiting:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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