US$ 185.00
21st November 1964
2nd November 1987
3 from Report of the length of the pendulum at the equator
Saturday 12th March 1966
Baie Beau Vallon, Mahe, Seychelles, Indian Ocean islands mb-width 2183 21st November 1964
US$ 185.00
US$ 179.00
US$ 350.00
US$ 166.00
US$ 442.80
US$ 562.35
US$ 107.97