Professor Elm's Lecture

TAG TEAM GX: Tag All Stars · #145/173 · None · 2019JPN

$5.54

Reverse Holofoil · Market price ▼ 63.3% (1Y)

Prices as of Jul 26, 2026

Mirror Holofoil Reverse Holofoil

23graded pop

70%gem rate

21.6×PSA 10 vs raw

-17%off ATH $2.41 · Aug 2024

+$52.61EV to grade — worth it

Printings & price history

Reverse Holofoil$5.54

Loading chart…

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Shop live eBay listings →Recent eBay sold results

Graded values

updated 2026-07-26

Grade 6 est.$5.26

Grade 5 est.$4.43

Grade 4 est.$3.66

Grade 3 est.$3.05

Grade 2 est.$2.49

Grade 1 est.$2.11

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

Reverse Holofoil · Ungraded price history$5.54

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

Graded population census · updated 2026-07-08

Reverse Holofoil

PSA15 graded · 10 gem 10

12345678910

CGC5 graded · 5 gem 10

12345678910

Population data from PriceCharting, updated monthly.

How much is Professor Elm's Lecture #145/173 worth?

A raw copy of Professor Elm's Lecture #145/173 (TAG TEAM GX: Tag All Stars, 2019) is worth about $5.00 right now, based on the latest market data from July 26, 2026. Across the 2 printings we track, copies run anywhere from $4.50 to $5.10 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $108.00, roughly 21.6x the raw price, while a PSA 9 sits near $24.58. 15 copies have been graded to date, and 67% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.