Where can I buy SUPER IMPOSE INDICATE PLATE ?

Hello everybody,

I am a victim of "DUST" on super impose indicate plate (SIIP) part no: YN2-3549. How did I find that out? Well I searched all over the forums and finally found a reliable way of removing the SIIP and checking for stubborn dust, and guess what? I found those eye buggers sticking on.

Tried blowing air, but no luck. They simply wont leave the plate. The resulting spots seen through the viewfinder are really bugging me to the core.

I am now left with no options, but to buy a new plate. I searched all over the internet and could not find any store selling them. Do you have experience buying this plate? can someone suggest where I could buy one please...

Thanks in advance.

--
Ajimon