Composition: Nickel-plated steel since 2012, previously a combination of copper and nickel.

Diameter: 18.0mm.

Thickness: 1.7mm.

Weight: 3.25g.

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Obverse (front): A portrait of the current reigning monarch.

Reverse (back): Since 2008, the design by Matthew Dent features the center of the Royal Shield.

Edge: Milled.

Issued: The larger 5p coin was introduced in 1968, and a smaller version was introduced in 1990.