Professor's Letter #55 — Collection Y

PriceCharting market prices as of 2026-08-29:

Market context: ungraded price +0.0% over 30 days. +0.0% over 90 days. PSA 10 premium: 11.8× ungraded.

More from Collection Y

• Pansear #10
• Pansear #10
• Professor's Letter #55
• Pumpkaboo #27
• Pumpkaboo #27
• Quilladin #8

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-collection-y/pokemon-japanese-collection-y-professor-s-letter-55