In 1992, I bought Duke Nukum - all 3 episodes direct from Apogee. While digging through my stuff, I found the original envelope it arrived in plus the invoice (Salesperson was Kevin?), plus the original diskette and bonus and 3 coloured paper flyers including a flyer advertising the upcoming release of Wolfenstein 3-D.
Are these items something I could maybe make some money on? My invoice shows I paid $35 dollars back in 1992. Is it worth the same or more (or less)? Collectable or not?