![](https://coimages.sciencemuseumgroup.org.uk/19/146/large_thumbnail_1861_0026_0002__0001_.jpg)
London Vaccine Institution certificate, 1826.
- Made:
- 1826
![London Vaccine Institution certificate, 1826.](https://coimages.sciencemuseumgroup.org.uk/28/521/medium_1983_0625.jpg)
[Engraved diploma awarding honorary membership of the Institution to the Hon. Mrs. Ferguson / London Vaccine Institution. 1826 May 10. Engraved by J. Dadley after James George Oben. On SM neg. no. HYG/C000018]