- N° d'objet8006.9.6
- TitreEnvelope adressed to Lt-Col Hay
- DescriptionA brown envelope addressed to Lt.-Col. Hay. Commander Royal Engineers which is headed O. H. M. S. SERVICE DE SA MAJESTE and text in French and English.
- Période de créationWindsor, 1910-
- Dimensions
- 105 mm
- Width: 240 mm