How can a single postage stamp be worth $16 800? Any mistake made in the printing of a stamp raises its value to stamp collectors. A mistake on one inexpensive postage stamp has made the stamp worth a million and a half times its original value. The mistake was made more than a hundred years ago in the British colony Mauritius , a small island in the Indian Ocean. In 1847 an order for stamps was sent to a London printer – Mauritius was to become the fourth country in the world to issue stamps. Before the order was filled and delivered, a ball was planned at Mauritius ’ Government House, and stamps were needed to send out the invitations. A local printer was instructed to copy

1、A postage stamp’s value to collectors is raised if ( ).

A、there are few others like it

B、 there are no errors on the stamps

C、 a mistake is made in the printing

D、 both A and C

2、The mistake in the locally printed postage stamps was in the ( ).

A、price

B、wording

C、color

D、spelling of postage

3、$16 800 is the collector’s value of ( ).

A、the One Penny Orange – Red

B、 a correctly printed 1847 stamp

C、 the Twopenny Blue

D、 both A and C

4、Which one is implied but not stated?

A、All correctly printed stamps are worthless.

B、Mauritians needed the stamps to send out invitations to a ball.

C、The printer was punished for his mistake.

D、Collectors are constantly looking for stamps with mistakes.

5、The best title for this section is ( )

A、The “Post Paid” Error

B、The Twopenny Blue

C、A London Printer’s Error

D、How Mauritius Became Famous