Unmounted vintage tattoo alphabet rubber stamps measure about an inch tall. They are deep etched for polymer clay making also. These give a very cool and urban look to your art projects. Stamps measure about tall. Just a little shorter than an inch.
An interesting idea would be to tattoo items that were, essentially, life plot devices: wedding rings, diplomas, maybe that toy car that rolled into the neighbor's yard and won you a lifelong friend trting to get it back.