Thanks for the insight. Having seen the process outlined in the link above, I am only confident enough to remove the front piece. From the back of the camera, I can see discolouration also, which may indicate oil. I'm relatively certain it's a metal bladed shutter.

I think I will hang on to the camera as is for the moment until I find somebody local who can help with the repair at an affordable rate. I'm still learning, gaining connections.