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<p>[QUOTE=&quot;Gallienus, post: 2991126, member: 42034&quot;]Hi Eduard,</p><p>Well it&#039;s variable.&nbsp; I understand that high quality overstrikes, such as the British 1804 5 shilling Bank Tokens were all overstruck.&nbsp; However the British took the trouble to heat the silver coins in a furnace to anneal the silver and make it softer.&nbsp; Thus 1804 British crowns showing clear undercoins are rare.</p><p><br /></p><p>In contrast the Brazilian 960 reis apparently did not take such care with the planchlets and as a result the undercoins are often highly visable.&nbsp; These are highly sought after by Brazilian numismatists who go nuts over these things -- which may account for you&#039;re not having seen many.</p><p><br /></p><p>Are you familiar with the following book which details the Overstrikes?</p><p><img src="http://www.coinsandhistory.com/pix_cointalk/Bra_960_overstrikes_Cover.png" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p>The book is written in duel Portuguese &amp; English.&nbsp; See below on Argentine Sunface Overstrikes.</p><p><br /></p><p><img src="http://www.coinsandhistory.com/pix_cointalk/Bra_960_overstrikes_Argentina.png" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><br /></p><p>Two years ago, I was in the coin store of a prominent Brazilian dealer and he showed me a 960 reis overstrike on an Argentine Sunface 8R.&nbsp; This sunface was of a new variety.&nbsp; Apparently there are no surviving non-overstruck speciemens of this sunface 8R.&nbsp; It is only known overstruck &amp; by this one specimen.[/QUOTE]</p><p><br /></p>

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