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Purpose of black PCGS sticker

cinque1543cinque1543 Posts: 151 ✭✭✭
edited March 15, 2025 8:11PM in Q & A Forum

I have a coin that was slabbed by PCGS in 2010. The attached image shows the label on the back side of the slab.

Just curious. What is the purpose of the black PCGS sticker on the right side of the label? It is attached on the outside of the slab, but I do not know if it was attached at the time the coin was slabbed, or sometime later.

If the sticker is a security feature, what does it do? It’s not an NFC chip.

Comments

  • ifthevamzarockinifthevamzarockin Posts: 8,903 ✭✭✭✭✭

    It's a hologram sticker attached by PCGS at the time of grading.

  • cinque1543cinque1543 Posts: 151 ✭✭✭

    Thanks, but what’s its purpose?

  • Namvet69Namvet69 Posts: 9,138 ✭✭✭✭✭

    It's an authentication device, also might be reactive to uv light.

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  • cinque1543cinque1543 Posts: 151 ✭✭✭

    Did a little research, and found that PCGS introduced hologram stickers in 2014. If interested, here is their announcement.

    And here is a short video.

  • cinque1543cinque1543 Posts: 151 ✭✭✭
    edited March 18, 2025 8:35AM

    Deleted.

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