1978 Seychelles 100 Rupees WWF Conservation White-tailed Tropic Bird Proof Coin

Description

This Seychellois 100 rupees silver proof coin was minted in 1978 as part of a collaboration with the World Wildlife Fund and comes with the original certificate of authenticity.  This coin depicts white-tailed tropic birds soaring above the waves on the reverse and weighs at 35.65g of sterling with a mintage of a bit less than 4100.
The coin displays no significant damage, although there is toning near the rim of the reverse below the birds and denomination and there is a milk spot above the f in "of".  The capsule shows some light damage and there is a small amount of dust and debris contained in it that could be removed if desired.