sparkl Open Sparkl
Proto Key Crest #166 – Promotional Cards

Grand Archive · Promotional Cards · #166

Proto Key Crest #166 price

Promotional Cards166

Market prices

from $9.99Lowest TCGplayer listing · Near Mint
–Cardmarket · Near Mint
–7-day change
#221 of 300Price rank in the set
Price history chartSee it in Sparkl Promotional Cards master set · 494 cardsOpen in Sparkl Graded prices · PSA, CGC, BGSIn Sparkl Pro

Proto Key Crest (#166, Promo) is a card from Grand Archive set Promotional Cards. Near Mint, the lowest TCGplayer listing is from $9.99 (updated October 19, 2026).

Proto Key Crest #166 prices by finish

FinishTCGplayerCardmarket
Foilfrom $9.99–

Near Mint prices: lowest TCGplayer listing, updated October 19, 2026. “From” marks a lowest listing: an asking price, not a market value.

Price charts, graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.

Embed this price on your site

Paste this where you want Proto Key Crest #166’s live price box. It updates daily.

About this card

Number
166
Rarity
Promo
Finishes
Foil
Released
April 28, 2023
Print language
English

How this page is made: Near Mint prices from TCGplayer and Cardmarket, refreshed daily; ranks, medians and comparisons are computed by Sparkl from those prices.

You are viewing the free public price page

See everything about Proto Key Crest in Sparkl

  • Its price history chart, every finish and graded prices
  • The Promotional Cards master set, card by card, with every price
  • Scan your cards with your iPhone: set, number and finish are filled in for you

Free on iPhone and the web

A card's page in the Sparkl app

Most valuable Promotional Cards cards

The 10 most valuable · Promotional Cards card list

Next to Proto Key Crest #166 in Promotional Cards

Proto Key Crest #166Price chart and master set in SparklOpen in Sparkl