Retro Mail is an item in the “All mail” category (Mail).
In-game descriptions
| Ruby / Sapphire · Emerald | MAIL featuring the drawings of three POKéMON. |
|---|---|
| FireRed / LeafGreen | A piece of MAIL featuring a print of three cute POKéMON. It is to be held by a POKéMON. |
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h