Professor Sycamore

The Best of XY · #149/171 · None · 2017JPN

$6.47

Market price ▲ 0.0% (30d)

Prices as of Oct 21, 2026

1graded pop

100%gem rate

6.0×PSA 10 vs raw

-78%off ATH $30.00 · Apr 2025

Market data

Price history

Normal▲ 0.0% 7d

Low $4.99Mid $4.99High $4.99

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-10-20

Grade 6 est.$28.50

Grade 5 est.$24.00

Grade 4 est.$19.80

Grade 3 est.$16.50

Grade 2 est.$13.50

Grade 1 est.$11.40

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$38.93

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-17

CGC1 graded · 1 gem 10

12345678910

Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 10

$25.20

Low confidence — a single sale, not yet corroborated

Recent sale price by grade · tracked by cert number

CGC 10 · Rev Holo

$21.00

last $21.00 · Aug 24, 2026 · 1 sale

Unconfirmed

CGC 10 · 5 bids · Aug 24, 2026

$21.00

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How much is Professor Sycamore #149/171 worth?

A raw copy of Professor Sycamore #149/171 (The Best of XY, 2017) is worth about $6.47 right now, based on the latest market data from October 21, 2026.

Grading changes the math on this one: a PSA 10 is valued around $38.93, roughly 6.0x the raw price, while a PSA 9 sits near $8.52. 1 copies have been graded to date, and 100% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting The Best of XY?Full master set guide — every card, chase list, and completion cost→