The VT-60, commercial 8018, from RCA looks identical to the classic 807 but while the data for the 807 is easy to find the 8018 is obscure. The corresponding CV reference gives the maximum operating frequency as 120 MHz - well above the 60 MHz rating for the 807.
The Type designation 8018 and the RCA Radiotron branding.
The anode with the screen grid visible at the base. The characteristic screening shield is in place below the lower mica.
The classic envelope is 51 mm in diameter, and excluding the UX5 base pins is 128 mm tall.