TI closed-border sockets were produced with several very subtle variations, in some cases but not always with different part numbers.
Smaller TI logo with no letter or number.
Plastic backing.
Tin-colored legs, gold-colored inlay.
Larger inverted, shadowed TI logo with no letter or number.
Plastic backing.
Copper/gold-colored legs, tin inlay.
Larger TI logo with no letter.
Scratched in number.
Plastic backing.
Copper/gold-colored legs and inlay.
Larger inverted, shadowed TI logo with letter.
Scratched in number.
Plastic backing.
Copper/gold-colored legs, tin inlay.
Larger TI logo with letter.
Scratched in number.
Plastic backing.
Copper/gold-colored legs, tin inlay.
Smaller, inverted TI (“point” dotted “i”) logo with stamped letter and number.
Thin, recessed channels inside border along sides.
Plastic backing.
Copper/gold-colored legs and inlay.