Game Boy Advance SP Samus Two-Tone (Metroid Zero Mission event version)
Metroid Zero Mission event version · AGS-001 · Nintendo · 2004
Why
units produced 80 - GrailHow to tell them apart
Same colour scheme as the Samus Two-Tone, plus an engraving not present on the normal version; insignia in the lower-right of the inner face. AGS-001 tells: label on the underside reads AGS-001; frontlit screen looks light grey when switched off; small button between the hinges toggles the front light on/off (sun icon).
Details from sources
Prize for a Metroid Zero Mission clear-time event on the Metroid official site (from 2004-06-15 for about a month); winners received the right to a Samus Two-Tone colour change with the special engraving.
Data source: game.watch.impress.co.jp
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