Sadly, no:
Bakers, bakeries and bakers shops were required by law only to sell their ‘national loaves’ when they were a day old because stale bread did not cut to waste like fresh bread. Source
[If you can find it, the BBC Timeshift episode ‘Bread: A Loaf Affair’ mentions this along with a surprisingly interesting modern-ish history of bread in the UK. It’s narrated by Tom Baker.]
Jam is mashed, preserves have chunks of fruit. With some fruits it’s hard to leave large china during processing (like raspberries, which break easily when properly ripe), at which point raspberry preserves might have less sugar then raspberry jam.