Curio Cards art token for Card #1 (Apples), art by Phneep.
Historical Significance
Card #1, Apples, is arguably the first art NFT minted and sold on Ethereum.
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 May-09-2017 05:22:51 PM +UTC.

Curio Card #1 artwork: Apples by Phneep.
Source: Curio Cards documentation
Token Information
Key Facts
Description
Curio Card #1 (Apples) is an original 2017 Curio Cards art token with artwork by Phneep. Apples opens Phneep's Cards 1-10 sequence about mankind and art. It is widely recognized as the first art NFT minted and sold on the Ethereum blockchain, and the red apple works as a beginning symbol across creation myths, Apple computer culture, and the alphabetical start of the collection.
The contract uses ERC-20-style token functions with symbol CRO1, 0 decimals, and on-chain totalSupply 100000. The card token is locked, so no additional cards can be minted. Final card supply is 2154.
Source Verified
Contract is verified on Etherscan; verification method recorded as etherscan_verified.
Heuristic Analysis
The following characteristics were detected through bytecode analysis and may not be accurate.
Spurious Dragon Era
Continued DoS protection. State trie clearing.