OffWorld Designs has had a presence at many Worldcons over the past 25 years.

We love the World Science Fiction Convention, so we're honoring the last 78 Worldcons on this shirt. Starting with NYCon I in 1939, they are all listed on the back, like a concert t-shirt of sci-fi literary goodness.

Artist: Ray VanTilburg

Screen printed on a Black 100% Cotton T-Shirt, in the USA.

Discount codes do not apply to convention souvenirs.