TI-99/4A Invaders Aliens Lapel pin set

Three pin set! 
Pixelated renderings of the aliens from Texas Instrument's TI Invaders command cartridge for the TI-99/4A Home computer.
Each pin is proportionally sized to it's alien peer.

Green alien - 0.80" hard enamel lapel pin
Purple alien - 0.90" hard enamel lapel pin
Red alien - 1.00" hard enamel lapel pin

Single post with metal butterfly clutch on each pin.
2.0mm thick
Black nickel plating on all

Black nickel plating appearance will change.
It will look silver, grey or black depending upon the angle of view and the lighting in the room.