How does the artist print these images?

Question: How does the artist print these images!?

I am wondering if anyone can explain to me the process the artist most likely used to achieve these printed images on the greetings card in this link:
http://image1!.etsy!.com/il_fullxfull!.2622!.!.!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

If these are being sold in any kind of volume, they were probably printed by offset or letterpress printing methods!.

However, since they are very simple line art images, they COULD have been done with something as simple as a rubber stamp, or, even, a single color silkscreen process!.

As far as how the images were created, they could have been hand drawn designs, or, possibly, created as vector line drawings in an application like Illustrator!.Www@QuestionHome@Com

letter pressWww@QuestionHome@Com