What is so "rare" (seller's word) about this M3 that the bidding is so -- to me -- high?
He is not describing the lens.
Is it a DR Summicron?
A good point! I did not think of the number.
There is no 4.
Yes it is a Dual-Range Summicron. The fitting at the top for mounting the goggles is the clue. The goggles may not be included, though. Apparently, the lens may not be, either.
Is a 4 bad luck? And a 9 is good luck?
And the camera on eBay has a lucky number? Is it the repeating seven or eight?
...
4 stands for death. No Asian buyer would buy a camera with 4 in its number, I have been told.
...
The luckiest number is an 8.
4 stands for death. No Asian buyer would buy a camera with 4 in its number, I have been told.
link: https://www.travelchinaguide.com/intro/social_customs/lucky_number.htm