EL84 6BQ5 Tungsram Platinum Matched Quad NOS NIB Rebranded Philips early 70s

One platinum matched quad ( 4 tubes ) of rare NOS NIB EL84 6BQ5 Tungsram Rebranded Philips made in early 70s, great sounding tube, the same batch, the same codes, carefully selected of 100pcs master pack.