These are the first tokenized assets that appeared in the form of titles on BTC using the Internet protocol Counterparty. Around the same time, a series of other titles were similarly tokenized. These early names do not have any further text, images/audio (etc.) related to them.
400 TEST (Created: 1000, Burned: 600)
TEST (January 13, 2014)
Contract creation transaction
ALL Historical NFTs: https://blog0x.com/trending/historical-nft