This is the design for my new business card and promotional items (stickers, prints, tshirts, etc.). It was inspired by movies like Bullitt, Sean Connery-era James Bond, 60's spy flicks in general, as well as pulp/crime/noir book covers.
I've also created a horizontal version that I am using as a social media banners:
T-shirts and stickers available at: https://mistersidd.threadless.com/