What's the font written SIM?
Suggested fontFortuna Dot Suggested by rocamaco
UPDATE: "M" could be a crappy adaptation using two "I"s and other letter for the middle part or even hand made
don't know if it's only me, but their (FB) previews look quite distorted
Some dots are a little bit different though, yes.
All times are CEST. The time is now 01:13