The Blue Envelope Mystery
| Image |  |
|---|---|
| Description | 1916 film by Wilfrid North |
| Author/s |
director: Wilfrid North |
| Publication date | 1916 |
| Language | |
| Country of origin | United States of America |
| Wikipedia link | https://en.wikipedia.org/wiki/The_Blue_Envelope_Mystery |
| Copyright status |
public domain in United States of America. |
| Missing/wrong data? | Edit Wikidata item |