LTCs are Letterboxer Trading Cards.
They are a variant of ATCs or Artist Trading Cards. ATCs are small pieces of artwork created for the sole purpose of trading with other artists. LTCs are created with the intention of trading with other letterboxers. The difference is that an LTC must include a stamped image, preferably made with a hand-carved rubber stamp.
LTCs are usually made of card stock or similar heavyweight paper. They measure 2.5" by 3.5" (the size of a baseball card), but sometimes are half-size or even quarter size, just for fun. They can be made of any medium or combination of media.
Below you can see some examples of LTCs made by SHH.
|But in the end, I'm a Jedi.|
I have to say that I'm kinda leaning towards this being my favorite LTC ever!