L TRADES,
19TH & BROWN STS., PHILADELPHIA, U.S.A.

* * * * *

THE KEYSTONE
BOOK OF GUARANTEES OF WATCH REPAIRS

This book contains two hundred printed guarantees, and is
handsomely bound. Each guarantee is 31/4 x 71/2 inches, and
most carefully worded. Jewelers have discovered that the use
of these guarantees is a most effective way to secure and cultivate
public confidence. We sell a book of two hundred for

$1.00 (4s. 2d.), prepaid,

which is one-third less than the price charged by others for a
similar book.

PUBLISHED BY THE KEYSTONE,
THE ORGAN OF THE JEWELRY AND OPTICAL TRADES,
19TH & BROWN STS., PHILADELPHIA, U.S.A.

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