I've posted this on eBay, I got the cover in the 80s from an independent Lotus dealer in the UK. Claim was, this was actual Team Lotus equipment from back in the day. Couldnt prove it then, or now, could still be an interesting item.
Chuck Sieber
Team Lotus F1 Race Team Car Cover Pit Equipment 60s with Lotus Logos | eBay
Chuck Sieber
Team Lotus F1 Race Team Car Cover Pit Equipment 60s with Lotus Logos | eBay