Limited edition of 50,000. Clear vinyl.
The packaging, designed by Robert Rauschenberg, is a transparent plastic case with artwork and credits printed on 3 12" circular transparent collages, one per primary color.

Most copies originally came sealed with a round transparent sticker affixed on the sealing material, on the front at the top right hand corner :
Special Limited Edition
Talking Heads
Speaking in Tongues
1-23771
$ 12.98 H
Concept by Robert Rauschenberg

Some copies imported to Canada had a different, white rectangular sticker :
Imported For Distribution In Canada By /
Importées Et Pour Distribution Au Canada Par
WEA Music Of Canada Ltd.
1810 Birchmount R. Scarborough Ontario M1P2J1

The full-color source material at the bottom of the images page came from a blog post by David Byrne about the project that can be found here.

Runouts are etched, except for STERLING, which is stamped.