Identification Spanish cob 4 reales ???

[publius]

Hello. I'm French and I bought Spanish cob of 1600's but I can't identify it. Its weight is 12,15 grams. Worn and without date but with the mint-mark "N" clear. I'm hesitating between cob of Spain (mint : maybe Grenada ?) or Colombia (mint : maybe Cartagena or Nueva Reino ?).
Can you help me please ? Thank you. Publius

 

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[Mackaydon]

Welcome to Treasurenet !!
Yes, a 4R cob, by weight.
Bogata also used the "N" (alone) mint mark between 1622 and 1657.
Don.....

 

[publius]

Hello and thank you for your answer. Do you think the mint of my cob is Bogota ? Sincerely

 

[publius]

HELP !!!!!!

Who can help me for my cob of 4 reales ?
Spain or Colombia ?
Mint ?

Thank you for your help because I don't known this coinage. Publius