I have a 1899 $5 silver certificate but it has a blaxk seal and I never did see a black seal on one I only seen a blue seal can you tell me if they made one with a black seal

Here are hundreds of pics of 1899 Silver certificates:
http://www.google.com/images?hl=en&expIds=17259,20782,25900,25907,26446,26512,52718&sugexp=ldymls&tok=7nb40BYph_LU54h1o_uo1A&xhr=t&q=1899+silver+certificate&cp=13&um=1&ie=UTF-8&source=og&sa=N&tab=wi&biw=1144&bih=633