The Horizontal of 1970s, definite article, was held over two days and five flights, Thursday 2nd and Friday 3rd October 2025, at the Boot & Flogger, as organised by Mike who was assisted by Julian.
For the NN70, some did and some didn’t, as indicated by a variation within the placemats:
(See, in placemats manual, GlassesCirclesFadingFactor and GlassesCrossedOut.)