From The Auction
Here is a rare find indeed. A three PC board assembly containing 8 Burroughs B-4998 Nixie tubes, 8 sockets, 8 SN7441AN ICs and 8 ICs marked F930059 MS19917. The entire assembly is presumed to be used and removed from equipment, there is no apparent physical damage. These tubes are the smallest mass produced Nixie tubes and are extremely hard to find. These little tubes are often used in such projects as the Nixie wristwatch.