Curio Cards art token for Card #26 (Education), art by Daniel Friedman.
Historical Significance
Part of Curio Cards, the first art show NFT collection on Ethereum and an early model for fixed-supply digital art ownership.
Context
Curio Cards launched as an online Ethereum art gallery in May 2017, before ERC-721 was widely adopted. This contract belongs to the original release set and was deployed by Rhett Creighton (@rhett_creighton), Curio Cards co-founder and Solidity developer. Published Aug-01-2017 09:27:59 PM +UTC.

Curio Card #26 artwork: Education by Daniel Friedman.
Source: Curio Cards documentation
Token Information
Key Facts
Description
Curio Card #26 (Education) is an original 2017 Curio Cards art token with artwork by Daniel Friedman. Education closes Daniel Friedman's Cards 24-26 abstract pattern trio. The artwork continues the theme of larger patterns emerging from local marks, and its low issuance makes it the rarest card in the main numbered Curio Cards set.
The contract uses ERC-20-style token functions with symbol CRO26, 0 decimals, and on-chain totalSupply 111. The card token is locked, so no additional cards can be minted. Final card supply is 111.
Heuristic Analysis
The following characteristics were detected through bytecode analysis and may not be accurate.
Spurious Dragon Era
Continued DoS protection. State trie clearing.