- Type: Number
- Has preferred property label"Preferred property label" is a declarative predefined property to specify a <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Preferred_property_label">preferred property label</a> and is provided by <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
- Esty 2011 – formula 1 (en)
- Has property description"Property description" is a predefined property that allows to describe a property in context of a language and is provided by <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
- The estimation of the number of coins according to the formula 1 in Esty 2011 (en)
