I bought a lot of old cameras seen on camera stock exchanges or with Ebay, it was already really with nearly all of these beautiful cameras the original light seals, hinge seals and mirror damper shortly before to destroy or no longer available, with some flew around the parts even in the mirror box.
I offer to you with my material, which is produced particularly for this purpose in Japan to protect the possibility its good old camera again completely from beam of light and renew the mirror damper.
These gasket kits are identical with the exception of the mirror damper and by you with the installation to length and width are cut. And that can do really EVERYONE.
Here you find the types of manufacturers and cameras who I with Ebay already offer: