Bip39 Seed Phrase. You'd probably then do a simple recovery having a command much like the a person below. (This command works by using a sample wallet file bunlded with BTCRecover) What constitutes a "excellent wallet" is one which has distinct, very easy to access documentation on supported BIP requirements, https://tetrabookmarks.com/story19606148/bip39-mnemonic-https-linktr-ee-bip39-bip39-wallet-can-be-fun-for-anyone