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I have about two thousand foreign stamps, comprising about fifty
varieties, that I would like to exchange with the readers of YOUNG
PEOPLE, especially beginners, for I have not many rare varieties.
I have also a number of one, two, three, six, ten, twelve,
fifteen, twenty-four, and thirty cent War Department stamps to
exchange.

GEORGE M. FINCKEL,
P. O. Box 368, Washington, D. C.

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I have some little stone cells, built and occupied by worms. I
found them in a brook in Mount Alto Park, Franklin County,
Pennsylvania. The worms were alive when I took them from the
brook, and perhaps if I had kept them in water they would have
developed into something different.

If George M. Finckel, or any other readers of YOUNG PEOPLE, would
like a few specimens of these worm cells in exchange for stamps, I
could supply them. My list of stamps is not large, as I am only
beginning a collection. I have no Chinese or West India stamps,
and would be glad to exchange for them any of the following, which
are all the duplicates I have: One zwei groschen Nord-deutscher
post: one eighty centime, Empire Francais; one sixpence; two
threepence; two two-hundred mils. Correos de Esco. de Espana.

LIDIE B. KEITH, Waynesborough,
Franklin County, Pennsylvania.

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I have about four hundred and twenty-five different kinds of
postage stamps, and would like to exchange with any of the readers
of YOUNG PEOPLE. I also have a lot of rare postmarks, which I
should like to exchange for stamps. I particularly wish the ninety
Interior, and the seven, twenty-four, thirty, and ninety of either
the War or Treasury Department; or any foreign stamps. I have
Persian, Turkish, Canadian, German, English, Swedish, and Interior
Department stamps for exchange.

A. H. VERRILL,
P. O. Box 824, New Haven, Connecticut.

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I would like to exchange with the readers of YOUNG PEOPLE some
rare foreign stamps for other foreign stamps and United States
official issues of 1851, '55, '56, '57, '61, '65, '69, '74, '75,
and '76.

PAUL GOLDSMITH,
Hohokus, Bergen County, New Jersey.

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I am making a collection of minerals, and