Business Cards?

I’m designing business cards. Any thoughts on the FOUR mockups I have currently? Which do you like better?

Mockup 1

Front:

the front of my first mockup

Back:

back of mockup 1

Mockup 2

Front:

mockup2

Back:

mockup2back

Mockup 3

Front:

front of mockup 3

Back:

mockup3back

Mockup 4

Front:

mockup4

Back:

mockup4back

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