M8136 CV4003 MULLARD NOS BOXED VALVE TUBE. PACKED AND SUPPLIED IN GOVERNMENT CV BOXES. WE WILL RESOLVE ANY ISSUES. The item "M8136 CV4003 MULLARD NOS BOXED VALVE TUBE" is in sale since Thursday, September 1, 2016.This item is in the category "Sound & Vision\Vintage Sound & Vision\Vintage Parts & Accessories\Valves & Vacuum Tubes". The seller is "yitry" and is located in Billingshurst. This item can be shipped worldwide.