Lyotard 82 Pedals

[SirLurkalot]

My Dawes Fireball project has had the original steel pedals and unbranded chainset replace with A Stronglight set and Lyotard 82 pedals.
Unfortunately one of the pedal dust caps is missing. The previous owner appears to have used plasters as a solution.
Does anyone know if something like MTK dust caps will fit? If not any ideas what will?

 

[non-fixie]

Here's an interesting solution. Not as innovative as plasters, but still.

Lyotard 82 Dust Cap