Doesn't fit the CASA wallet ?
...and I only recently bought one after years of holding-off, keeping it easily in A4 format in my flight Docs.
Going around in circles aren't we...
The 1980's pocket sized licence mentioned previously on here, was the best. In fact I've still got it to prove dates & sign-offs. Then, like now, examiners/checkies signed out any work you did.
...then we went the white "plastic fantastic" credit card style, which EnZed still have but of a higher standard card... then...
(Time for a vino, me thinks
)