The five opened tourniquets and five small grey FFD’s (Israeli manufacture) are current British forces issue. Can’t tell you what they’re worth. But they’re decent. Might be worth checking eBay for a ballpark figure. The chest seal looks like a Russell chest seal.
Make sure you check the dates too when buying this kinda stuff. Especially chest seals, anything with Celox which has a shelf life of 4/5 years depending on product.
Shelf life won’t make a massive difference to an FFD or a tourniquet as long as it’s still sealed and has been stored properly. But it’s good peace of mind if you’re paying for it.