Different SMD can capacitor markings

I am currently working on a Stetsom EX6000 and I noticed some of the SMD can capacitors have different markings on them and I was wondering what the differences mean.

The standard SMD can caps are marked up in black stencil CS but I noticed that some of the SMD can caps are marked up in blue stencil MRS.

What’s the difference?

David
 

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