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<style>
#point:after{
content:"\02128";
}
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<body>
<p>Black Letter Capital Z using Hexa Decimal: ℨ</p>
<p>Black Letter Capital Z using HTML Code: ℨ</p>
<p>Black Letter Capital Z using HTML Entity: ℨ</p>
<p id="point">Black Letter Capital Z using CSS Entity: </p>
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