Uknown Spanish Button?

[TheCaribbeanDigger]

Hey folks! Just found this and I have looked for any ID on the web but no luck. Hoping somebody could give me any info!
It's in spanish in the front but in the back it has some info in French! Perhaps it was made in France.

 

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[sutphin]

F2 DIGGER THIS BUTTON DOES NOT LOOK FAMILAR ,BUT STILL A COOL FIND IN THE BEHOLDERS EYES,VANZUTPHEN

 

[RelicHunter97]

I know the writing isn't in English, but could you tell us what it says? Would be great help in identifying it.

 

[TheCaribbeanDigger]

Translating it literally means "Public Works of Puerto Rico" Now the A M letters don't even have the slightest clue! I found on another forum the same button but the guy who post it was on the same page as I...