252 NEWNES' PICTORIAL KNOWLEDGE demand for Air Mail Stamps of all kinds, as representing the newest method of mail transport. Such stamps would be a particularly' interesting subject for specialising, and offer good chances of getting together a really valuable collection. How to Collect. Ninety-nine out of a hundred collec- tors have to start their collections with stamps bought in packets from dealers. It is wise to trade only with good firms, which may be relied on not to foist any rubbish on to the purchaser. The price of a packet increases out of proportion to the number of different varieties in it. Thus, one of 1,000 kinds will cost much more than ten times the price -of a loo-kind packet. To avoid duplication, it is better to save money till a large packet can be bought, rather than to buy a series of small, cheap packets. After some experience with " general " packets, the collector may proceed to geographical packets, each containing so many stamps of one continent or country only. There will be some duplication of specimens, no doubt, but this will give him the chance of replacing imperfect specimens in his COUNTRIES OR STATES WHICH NO LONGER ISSUE STAMPS i. Bremen, 1861, 5 s.gr. 2. Modena, 1859, 20 cents. 3. Sicily, 1859, I gramo. 4 Brunswick, l853» t s.gr. 5. Nova Scotia, 1863, 5 cents. 6. Saxony, 1863, 3 n.gr. 7. Parma, 1857, 40 cents. 8. New Brunswick, 1860, 5 cents. 9. Shanghai, 1867, 60 cash. 10. Western Australia, 1861, id. ii. Heligoland, 1875, i pfennig. 12. Ltibeck, 1859, 2 schilling.