The ref on the slip is different from the v5 that its attached to...not by much, its like 1 number is the number of keepers. If its miles off then maybe somethings up.
Took mine to post office....They said no cant do it, the option is not there.
Talked to DVLA on webchat. Girl said no reason it wouldn't be historic. Try another post office.
Second post office said no cant do it.
Phoned DVLA and was...
Fit the rubber to the roof. From the outside slide the glass in as best you can. I use a plastic scraper about 40mm wide....from the inside push the seal over the glass while holding the glass in, once in give it a thump in to settle it in then...