Large Silk Embrodied Picture

I always admired this very large (its longer and higher than my dining table) I purchased recently as shop owner hung it where unfortunately was damaged. Fungus growing inside over picture see 3rd and 4th pics.
I carefully took out to air and dry then using new paintbrushs gently removed fungus, then used my dehumidifier to further dry out. See pics 1 & 2 after clean up.
The work is beautifully done silk and embroidery.
While it will never be valuable due to the damage I adore it and will not part with it.
Would like as much info that can be offered me.
Many thanks