These tubes came from a radio repair man that retired years ago but kept his stock some are new and some are used but all are tested and I have found less than 1% that are bad so he must have got rid of any bad tubes. This listing is for a Vintage NOS 84/ 6z4 Coronado engraved base with box amp Audio Radio TV Electron TUBES, Tested  NOS good+++ All my tubes are tested even new ones and if they do not test Good or better they are tossed. see photos for condition or ask questions .I will combine shipping if possible for more than one auction. Please email me for cost of combined shipping costs.