"Hsien Feng 1851-1862" attached to it.
its a metallic gold color with birds and flowers on one side and very pretty calligraphy on the back.
Any info would be wonderful as well as tips to learn more about this art,I have a few other fans and items to decipher but I know very little about them,any web resources or tips would be very appreciated.
thanks a lot for your time!

front of fan:

back of fan:





