The "Machins"

Here is an example of the madness that ensues when one tries to collect definitive stamps. From Robin Harris's amazing site (http://www.adminware.ca/machin.htm):

The first Machin stamps (pronounced MAY-chin) were issued June 5, 1967. Since then, dozens and dozens of different values have been released and many colour changes have occurred to provide the stamp collector with the largest definitive series ever produced (and still going strong!).

[Machins are named after Arnold Machin, a sculptor who designed the portrait of the Queen used on these Great Britain stamps. Machin passed away March 9, 1999 at the age of 87.]

These two pages are the beginning of the sorting and identifying of the "Decimal Machins". I'm up through the 31p values so far, but am running out of easy ones. I have more to sort through ...

The whole sub-collection should take right at three full pages. This is merely an attempt to collect one of every stamp in the series, without regard to the multitude of varieties.