On the back of your card

Match the last three digits: 577.

What it is
1987 Topps Baseball 30th Anniversary insert (US87- prefix) and parallels
Confirmed by
One source (tcdb.com)

We don’t have the card list for this code yet. See the official Topps checklist.

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Where this code comes from

Hobby 1:8.

  • tcdb.com: “Card numbers have a "US87-" prefix, and cards have production code #CMP025577 printed on the lower back.”

Other codes in 2017 Topps Update