This is odd. I was chasing down an Elizabethan something through the thicket of Google Books (it came to nothing in the end, sadly) when I chanced upon a collection of Latin letters by the Dutch scholar and Stoic Joose Lips, better known by his Latin name, Justus Lipsius. The letters (Epistolarum centuriae duae: quarum prior innovata, altera nova (1590); '200 Letters, the first hundred previously published, the second new') are from all over Europe. Most look like this one, from The Hague:
Or this from Frankfurt:
Two of the 200 were sent from London. Curious, I took a look. But in the Google Books edition, the London letters look like this:
Intrigued, I tracked down a second edition of the book (this a later-published Collected Works of Lipsius from 1613, Iusti Lipsi Opera). But this was no more enlightening:
There are only two letters from London in the whole collection. What was Lipsius saying about that city, under Elizabeth, that provoked whoever-it-was to censor it, not once but twice? It really is very tantalising. Incidentally, the bit you can read, from that second letter, is: 'An potius linguam? Ista enim deest, qui tamdiu siles. Vindictam talionis merebare: sed noster amor si non maior, certe acrior: procatur, & lacessit te utro. Valemus ego, tuo liberi, tua uxor, non meae Musae
One quick PS: despite the publication date on the title page, up there, it looks as though the vol actually includes letters written as late as 1592.