How to Acquire Stamps : Page 145
It gets a little harder to make up a packet of two thou-sand different, it is even harder to make up one of five
thousand different, and it begins to become really difficultto make up ten thousand different. With each increase inthe number of stamps that are included, better-gradestamps are required and the cost increases.
You can not expect, nor will you be able to acquire, apacket of ten thousand different stamps for just ten timesthe cost of a thousand different stamps.
The intelligent way to progress through any list ofpackets is as follows:
Buy all different of the world first.
Supplement this with all different of the continents.