1896 (dated) Official stamps overprinted in red "Franqueo Official"
15 cents catalogue value (CV) per stamp if reprint (usually thick porous paper)
CV ranges from $2+-$16 unwatermarked if not reprint
CV ranges from $3-$25 watermarked "Liberty Cap" if not reprint
1897 (dated) Official stamps overprinted in red "Franqueo Official"
15 cents catalogue value (CV) per stamp if reprint (usually thick porous paper)
CV ranges from $3-$16 unwatermarked if not reprint
CV ranges from $5-$20 watermarked "Liberty Cap" if not reprint
1898 Coat of Arms of "Republic of Central America"
15 cents catalogue value (CV) per stamp if reprint (usually thick porous paper)
CV ranges from $1+-$25 unwatermarked if not reprint
CV ranges from 25 cents--$40 watermarked "Liberty Cap" if not reprint
1897 (dated) "Map of Nicaragua"
15 cents catalogue value (CV) per stamp if reprint (usually thick porous paper)
CV ranges from 50 cents-$20 unwatermarked if not reprint
CV ranges from $14---$125 watermarked "Liberty Cap" if not reprint
1898 Official stamps carmine "Franqueo Offical"
Overprint in Blue unwatermarked
CV ranges from $3+-$11
Overprint in Black or watermarked "Liberty Cap" are reprints
CV 25 cents/stamp
As one can tell, the reprints are not worth much.
Why?
Nicholas Seebeck
http://en.wikipedia.org/wiki/Nicholas_F._Seebeck