CANADIAN INFLATABLE LIFE PRESERVER 4220 21-759-6159, MARKED LIFERAFT MAINTENENCE SHOP, ESQUILMALT BRITISH COLUMBIA. I GOT THIS FROM A CANADIAN PARAJUMPER IN THE 1980'S I THINK. I HAVE NOT SEEN ANOTHER LIKE THIS, ALTHOUGH I HAVE A 1970'S ORANGE US VEST SIMILAR. COMPLETE WITH WHISTLE, WATER ACTIVATED LIGHT AND INTACT CO2 CARTRIDGE. IT BLEW UP BUT DID NOT HOLD AIR OVER 24 HOURS-PINHOLE LEAK?. AN UNUSUAL ITEM FROM MY COLLECTION AND A GOOD ADDITION TO YOURS.