You should find your plastic tray and tools. If the wood panel is screwed down you may well find that there is no tool tray, I have heard some late car owners say their cars came without The tray, others say they had one, it’s a Morgan after all.
If there is a spare wheel, there is a tool tray. If there is not a spare wheel, then the wood panel will be screwed down.
Do be careful lifting the wood panel out or replacing it on a blustery day - it has quite a lot of windage and it is easy to lose control of the panel and end up with a dented wing. Don't ask how I know .....