The lower one is rather curly, It is a Stanley Gibbons type W7 war tax stamp. circa 1897-1898 The plate type is printed in black only, according to my examples.
I would assume yours then maybe Puerto rico, Cuba, Philippines perhaps. Still cannot find it as yet.
Scott lists the 5c through 20c from this issue. There are about twenty more, some green, most red, all the way up to 20 pesetas, but they were all intended for fiscal purposes, so Scott doesn't list them.
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