| curated Wikidata property | Q121928698 |
| Wikidata property for items about people | Q18608871 |
| Wikidata property to link to Commons | Q18610173 |
| Wikidata property for linking to a representative image | Q26940804 |
| P1793 | format as a regular expression | .+\.(svg|png|jpg|jpeg|gif|tif|tiff) |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/1#P109 |
| P3709 | category for value different from Wikidata | ??? | Q55283221 |
| P3713 | category for value not in Wikidata | ??? | Q51586497 |
| P3734 | category for value same as Wikidata | ??? | Q55283214 |
| P1630 | formatter URL | https://commons.wikimedia.org/wiki/File:$1 | |
| P2302 | property constraint | allowed-entity-types constraint | Q52004125 |
| single-best-value constraint | Q52060874 | ||
| property scope constraint | Q53869507 | ||
| format constraint | Q21502404 | ||
| subject type constraint | Q21503250 | ||
| Commons link constraint | Q21510852 | ||
| P2875 | property usage tracking category | Category:Pages using Wikidata property P109 | Q20116998 |
| P1659 | related property | monogram | P1543 |
| creator's signature | P7457 | ||
| P1647 | subproperty of | image | P18 |
| P1629 | Wikidata item of this property | signature | Q188675 |
| Q188675 | signature | Wikidata property | P1687 |
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