The four flags on display at the State Capitol are:

1. Company Guidon, Company D, Second Regiment of Cavalry, California Volunteers
http://www.militarymuseum.org/Resources/d-2cavcv.jpg

2. National Guidon, Company M, First Regiment of Cavalry, California Volunteers

3. Company Guidon, Company A, Second Massachusetts Cavalry (Cal 100)
http://www.militarymuseum.org/Resources/2dMass3.jpg

4. Battalion Standard, Second Massachusetts Cavalry (Cal 100)
http://www.militarymuseum.org/Resources/2dMass1.jpg

Cheers,

Sebastian Nelson
sebnelson@gmail.com