Artifact Details Title SETI button Catalog Number 102631402 Type Physical object Description Circular yellow button that reads, "SETI " in red. there is a vertical streak on the left side of the back. Manufacturer Button Graphics Ltd. Inc. Dimensions overall: 1/4 in x 1 3/4 in x 1 3/4 in Category Ephemera/Button Credit Gift of the SETI Institute Lot Number X3180.2005