sounds about right.
re: the tolerances, (if you look to the right of the above pic at the caps with some silver bands (C7&C10--330pF and 470pF, respectively), at least one must be a tolerance band (i.e. silver = 10%), but there are two of them and I'm not sure which is which.
edit:
IIRC Mouser used to have some of these (tried looking for a datasheet but no luck). Unfortunately, I don't remember the maker, which makes it more difficult to look for a datasheet. Tech 21 Sansamp (the original) also had (one? two?) of those (47nF) I think around the same time as well (early 90s or so).