How Newcastle and Athletic Club forged a bond that has lasted over 30 years

In Palacio Ibaigane, the regal building in Bilbao that serves as Athletic Club's headquarters, where the contracts were once signed, there hangs a pennant. It is in an office where Howard Kendall once entertained dignitaries over a drink.

source https://www.skysports.com/football/news/12040/13463342/newcastle-united-vs-athletic-club-fan-friendship-forged-in-1994-endures-in-champions-league-between-two-clubs