I used a date stamp to stamp pictures as you can see down below.
The number next to the picture represents the number of stamps I have done.
This method illustrates the hard work of the design process.
 
Here you can see the process of making a pictures with a date stamp.
What do you think, how many stamps were needed to illustrate this "wind mill" ?
Stamp a Stamp
Published:

Stamp a Stamp

Stamp a Stamp

Published: