Chapel of S. John the Evangelist
| Name of structure: | Chapel of S. John the Evangelist | 
| Extended name of structure: | In S. Giovanni in Laterano | 
| Type of structure: | Chapel | 
| Country or main area: | Italy | 
| Region within country or main area: | Lazio | 
| City or area within region: | Rome | 
| Date of structure: | 461-8 | 
| Century of structure 1: | 5 AD | 
| Century of structure 2: | 5 AD | 
| Specific place of mosaic: | Vault. | 
| Brief descriptive contents of mosaic: | Lamb of God, flora, fauna. | 
| Date of mosaic: | 5C | 
| Century of mosaic 1: | 5 AD | 
| Century of mosaic 2: | 5 AD | 
| Silver tessera at site: | Unknown | 
| Gold tessera at site: | Yes | 
| Colour tessera at site: | Yes | 
| Were other materials found at site (i.e., glass cakes)? | Unknown | 
| Has analysis been done? | Unknown | 
| Samples taken from where? | n/a | 
| Excavation and restoration campaigns: | |
| Bibliography of mainly technical resources: | Mackie, G., Early Christian Chapels in the West (Toronto, Buffalo London: Toronto University Press, 2003). Krautheimer, R., Corbett, S., Frankl, S. & Frazer, A. K., Corpus Basilicarum Christianarum Romae (Monumenti di antichità cristiana pubblicati dal Pontificio Instituto di Archeologia Cristiana). 6 Vols. (Vatican City, New York, 1937-80) | 
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| Comments: | 
