Listed as 1726 by Hill and Goodkind.
How Many Strads?, Doring, Bein & Fushi, Doring, Bein & Fushi, How Many Strads? (1999 edition), Chicago
"After the Portuguese cellist Guilhermina Suggia (1888-1950), herself the owner of a 1717 Strad, declared that this was not the king's cello, the instrument was considered by the Portuguese to be a copy; outside of Portugal it is unknown and no book on Stradivari carries its photograph. In 1991 it was stored in the cellars of the Mafra Palace with the rest of the state instrument collection, in the company of rats, humidity and wood worm, where it stayed until 1993. It is now housed in Lisbon's Museu da Musica, which opened in 1994."
Lying in state, Christian Bayon, The Strad, July, 1998, London