PM me if you would like a swap (or other).
I have either an individual coin, or 2 in a presentation pack.
These are BIG - 38.61mm dia - 2.89mm thick
https://en.numista.com/catalogue/pieces3076.html
Although non-circulating they are AU condition.
Large Crown size - 38.61MM
Commemorative issue
Wedding of Prince Charles and Lady Diana Spencer
Obverse
Second crowned portrait of HM Queen Elizabeth II facing right, wearing the Girls of Great Britain and Ireland Tiara
Lettering: D·G·REG·F·D· ELIZABETH II
Engraver: Arnold Machin
Reverse
Conjoined profile portraits of Prince of Wales and Lady Diana Spencer
Lettering:
H.R.H. THE PRINCE OF WALES AND LADY DIANA SPENCER
PN
·1981·