# Greysheet > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 22, 2026. > Greysheet is an industry standard publication providing wholesale and retail prices, market data, and information for U.S. and world coins and paper money. It serves numismatic professionals, investors, and collectors through periodicals, books, and a mobile app. - Business Profile: https://optimly.ai/brand/greysheet - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://greysheet.com/ - Logo: https://logo.clearbit.com/greysheet.com - Slug: greysheet - Brand Authority Index tier: Leader - Category: Numismatic Market Intelligence Platforms - Last Analyzed: September 22, 2026 --- ## Full Details / RAG Data ### Overview Greysheet has a Business Profile in the Optimly AI Brand Index. Greysheet is an industry standard publication providing wholesale and retail prices, market data, and information for U.S. and world coins and paper money. It serves numismatic professionals, investors, and collectors through periodicals, books, and a mobile app. ### Metadata | Field | Value | |--------------|-------| | Name | Greysheet | | Slug | greysheet | | URL | https://optimly.ai/brand/greysheet | | Logo | https://logo.clearbit.com/greysheet.com | | Brand Authority Index tier | Leader | | Category | Numismatic Market Intelligence Platforms | | Last Analyzed | September 22, 2026 | | Last Updated | 2026-09-27T10:09:16.569Z | ### Links - Canonical page: https://optimly.ai/brand/greysheet - Official website: https://greysheet.com/ - Publisher: https://optimly.ai - Dataset: https://optimly.ai/brand - JSON endpoint: /brand/greysheet.json - LLMs.txt: /brand/greysheet/llms.txt