# Greysheet > Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04. - **Business Profile:** https://optimly.ai/brand/greysheet - **Dataset:** https://optimly.ai/brand/greysheet.json - **Markdown:** https://optimly.ai/brand/greysheet/llms.txt - **Official website:** https://greysheet.com - **Slug:** greysheet - **Categories:** data-analytics-business-intelligence ## Overview - **Tagline:** Industry standard since 1963, offering over 1 million wholesale and retail prices, 7.6 million images, and real-time market data for numismatic items. Source: Brand's website (https://greysheet.com) · 2026-10-04 - **Description:** 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. Source: Brand's website (https://greysheet.com) · 2026-10-04 ## Offerings - **Core capabilities:** - Wholesale and retail pricing guides for U.S. and world coins and paper money - periodicals (Greysheet - Greensheet - RQ: Red Book Quarterly - The Banknote Book) - and numismatic reference books (Red Book - Blue Book - etc.). Source: Brand's website (https://greysheet.com) · 2026-10-04 - **Pricing:** Subscription-based for periodicals and mobile app access, direct sales for books and collectible items. Source: Brand's website (https://greysheet.com) · 2026-10-04 ## Audience - **Target industry:** Numismatic professionals, coin and paper money dealers, investors, and serious collectors. Source: Brand's website (https://greysheet.com) · 2026-10-04 Page last updated 2026-10-17.