Tim923 wrote:
> I notice some people sell unopened soda bottles and cereal boxes from
> past decades (1950s thru '80s for example).
>
> Although many don't want to try eating or drinking them, and the
> sellers recommend not to, is the food still good.
>
> Could a cereal box packed away for 20 years still be good? Thanks.

It's not what you mentioned above, but your post reminded me of a
segment on the History Channel where somebody opened up a WW2 K-ration
on TV. The cigarettes and some other things still looked OK. The meat,
OTOH, came out as a pile of dirt.