My favorite is the Schrödinger's Bitcoin:

nostr:nevent1qqs05stvemsknz2jnsha236lgxm0wn6exquhzwzxvsy9kygavy2wvwqpp4mhxue69uhkummn9ekx7mqzyrtsy7hegnkg0r85cregs2hk0mappe7rtxpprc006kcax7x67rxz2qcyqqqqqqgevyqvn