Penny Blacks are the world's first adhesive postage stamps, issued in the United Kingdom on May 1, 1840. They feature a profile of Queen Victoria and were used to prepay the postage of letters. The stamp is notable for its black color and the value of one penny, which allowed for easier mail delivery and contributed to the standardization of postal services. Penny Blacks are highly collectible and hold historical significance in philately.
Early Postage stamps
In the UK they were the world's first postage stamps.
A Penny Black was a postage stamp. It first was issued in Great Britain on 1 May 1840.
they segregated blacks and whites.
The singular possessive of penny is penny's, as in "penny's worth".
there is nothing wron with blacks
No, because blacks were segregated at that time so blacks couldn't vote.
because whites didn't like blacks and they thought they were better than blacks !
No, "A penny saved is a penny earned".
First was blacks.
All Blacks
The answer will depend on what you are trying to compare the number of blacks in the US with:the number of non-blacks in the USthe number of blacks living outside the US.