Is 23887 the full serial number, or does it start with TR?
The Theodore Roosevelt Commemorative rifle is a model 94 (lever-action) in caliber 30-30 and was produced by Winchester in 1969. A total of 56,060 of these rifles were manufactured and sold. These rifles were made in two variants; the standard "rifle" and a shorter "carbine".If the rifle you have is absolutely new in the box, with all factory paperwork then it would be worth about $825. These should be worth much more but unfortunately they produced lots of them and tons of other commemorative models that have saturated the market. Your model should look like this: