The Vinkhuizen collection has several plates of Generals and staff officers. See for example for 1808:

https://digitalcollections.nypl.org/collections/the-vinkhuijzen-collection-of-military-uniforms#/?tab=navigation&roots=18:c82e10d0-c54e-012f-cd9a-58d385a7bc34/54:87729350-c552-012f-ac76-58d385a7bc34

And a Lieutenant-General:

https://digitalcollections.nypl.org/items/510d47d9-86e2-a3d9-e040-e00a18064a99

Best regards, Geert