Nanotype Letterpress Printing needs a "poster" for Vending Machine to sell mini-letterp...

This is what a business in United States was looking for in their poster design

I am a letterpress printer and have just purchased a small vending machine to take to craft markets/local boutiques and sell Mini-Letterpress Prints for $1 (four quarters). Here is a link to what the machine looks like: https://www.candymachines.com/Eagle-Sticker-and-Tattoo-Vending-Machine-P6642.aspx
I need you all to design fun artwork for the front of the machine... dimensions are: 18" height, 15" width. My company website is Nanotypeletterpress.com if you want to see my branding. The mini-prints will constantly be changing, and each will be signed (by me). I would like a strong "letterpress" look.... old school Hatch Show Print type vibe. I want it to look fun, colorful, and capture many impulse purchases. Read more