Professor Oak's aide won't give you an Egg however Professor Elm's aide will give you an Egg if you visit him in the Violet City PokéMart after you beat Falkner.
in violet town poke mart
You get it from oaks aide on route 2
in india
Do not care
a cheat or give your Pokemon a coin that you get from professor oaks aide and if the Pokemon holding it was in battle you get more money
Professor Oak's aide is in the Pokemon is Gay ravine of the Viridian forest.
He is east of Fuchsia City, in the gaurd house separating route 15 from the city. Go up the stairs, and you will find his aide.
After you defeat Falkner, Elm's aide will be waiting for you in the PokéMart and he'll give you the Togepi Egg.
give the red scale to professor oaks friend that's in oaks house
you get 30 different kinds of pokemon and go west from celadon city.a guy(oaks aide) upstairs in the route entrance gives you it.
If u mean the amulet coin after u get 40 kinds of Pokemon on your pokedex professor oaks aide gives it to you in the building on route 16.
first of all its just flash and two you get it by going all the way through diglets cave in vermillion town and go down through two doored place and talk to professor oaks aide and he will give you flash(you need cut to get flash