Despite being simply titled Silent Hill 2, the American PC version also contains all the extra material. Two different variants were released with differently sized boxes with different catalog numbers and barcodes. This is the big box variant.
1. Front
2. Back
3. Sides and bottom
4. Disc 1
5. Disc 2
6. Disc 3
Thanks to Ricardo (images 1-3) and MobyGames user fooziex (images 4-6).