U-1953 (incuse marked on top) AKA (incuse marked on opposite ot top hole) V. The "AKA" marking indicates the insulator was made by Alberts & Kluft of Tilburg, Netherlands. This is a combination fuse holder and shackle insulator. $160 postpaid. This piece needs cleaning but there are no chips, dings, cracks or other damage that I can see. No fuse comes with it.