It was not until the mid 1950s that two page cards came in. Until then it was a Post Card, correspondence left, address right.
'12th October 1945;
Here's wishing you dear May
Many Happy Returns of the Day.
With Love from Bert xxxxxxxx'
Worth considering when you fork out £5 plus for a lush, plush, multi process ..... card
a simple card signed
was kept so dear
for me to find,
after many a year.
It comes from the heart
not from the pocket.