A single-shot .22 caliber firearm disguised as a premium writing instrument. The Signature is 14 centimeters long, weighs 45 grams, and is visually indistinguishable from the TESSERA-branded executive pens distributed to thousands of corporate employees. The firing mechanism is activated by removing the pen cap and pressing the pocket clip forward — a gesture that looks identical to preparing to write. The weapon fires a single .22 round from the pen barrel with enough velocity to be lethal at contact range.

TESSERA does not officially manufacture the Signature. The company's position is that the PG-2 was a proof-of-concept prototype that was never approved for production. This explanation is complicated by the fact that functional PG-2 units appear consistently on the black market with genuine TESSERA manufacturing stamps, serial numbers that match TESSERA's proprietary format, and build quality that no counterfeit operation could replicate. Someone at TESSERA is producing these weapons. The company's legal department maintains plausible deniability.

The Signature's lethality is limited — a single .22 round from a 14-centimeter barrel has minimal stopping power — but its purpose is not battlefield effectiveness. It exists for the moment when a corporate executive sits across the table from someone who needs to die, and needs to die right now, in a room where weapons were supposedly impossible to bring.