They've already started deleting old tweets for some reason.
I only tweeted 4 times and the 2 oldest tweets are gone :(
It's gone now.
Both tweets are gone.
The "Tweets & replies" section of your profile (https://twitter.com/eggsome/with_replies ) has two tweets that seem to match your description:
I'm pretty sure that I changed my handle at some point. I'll try to remember what it was and search the internet archive.
They may have had an accidental data loss. But more likely it is data that is rarely read so not stored in a hot cache near your edge.
It seems that deleting any old data is a negative for the company. Data is the new oil, right.