Toshiba Flash Photo Flash Bulb 6B - Model: 6B - Type: Photo Flash Bulb - Quantity: 5 bulbs per box, 4 bulbs per box - Manufacturer: Toshiba I have confirmed that this flash bulb works by attaching it to a Nobel Pocket Flash Gun and testing it. This flash bulb is usable and is a very retro photo flash bulb. Please see the photos (8/9, 9/9) of it attached to the Nobel Pocket Flash Gun. Please understand that this is a very old item and has been stored at home for a long time, and only purchase if you are interested. Due to shipping costs, returns are not accepted.