Rotring ink stash found at a car boot sale …

It’s been a busy term but I had a little break and mooched around Ford Car Boot Sale (near Arundel, UK). Happily I found this stash of Rotring ink, plus a ‘Radiograph’ pen … will be having a go soon to see if it’s functioning. Not sure how old the ink is …. 20 years-ish or so I’m guessing …