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These pens are used to mark queens with the color corresponding to the year they were produced. The ink is safe to use on bees and last, preventing the need to re-mark queens. Here is the color code for Years ending in... 4 & 9 0 & 5 1 & 6 2 & 7 3 & 8 Green Blue White Yellow Red
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$8.95