To work on my world collection, since it is a limited time frame, I use a 1961 Scott as well as Stampworld for identification.

I also have a 2009 Scott set and I've learnt that it pays to have a more updated version.

Scott 1961 does not list a lot of colour varieties, so I pull up my 2009 and discovered that I wasn't insane, there are actually a number of colour varieties of the stamps I'm currently working on that are listed.

I wonder why the earlier Scott doesn't list the colour varieties ...

Now comes the hard part to figure out which ones fall into which colour variety and which ones are actually faded.

On top of that, there are about 7 documented perforations listed.

On my last 2 lots that I worked on, there were 5 different perfs listed as well as compounds. Working on them, I used several 3 different gauges including a clear one that I could hold to the light and get more accurate results. It took me about 6 hours total but I was able to figure out that I actually only had 2 duplicates in a batch of about 14 stamps.

I can understand why Scott doesn't list ALL the perf varieties especially on the older stamps of 1800s, but I wonder why the earlier catalogues don't list all the colour varieties?

Any comments?


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