Quote:
Cjd: Identification by catalog number requires licensing royalties to the catalog companies; in a number of SCF threads, folks have reported both disinterest by the wouldbe licensor and very high fees. Public (royalty-free license-free) information would presumably include country, year, 'name', denomination.
Precisely my reason for including the

.
My primary interests are British Commonwealth, so the information returned by an i.d. app will have to include, or point me to, among other things, die types, overprint spacing, perfs, shades, lemon paper versus yellow paper, chalk-surfaced paper, watermark varieties and orientations, olive backs, and on, and on, and on.
The first three are probably relatively easy, some of the rest are impossible for TKA. It is going to have to tell me to look for all of the variables that it knows to exist, based on the general i.d. it was able to accomplish.
Okay, that might be helpful. Then what?
Does it just list those results out in a long text line? When you have to include
everything on a line necessary to fully describe a given stamp, there are some stamps that you couldn't describe in a 140-character tweet. Or you create a shorthand numbering system.
In my opinion, if one of the catalogue companies does not undertake this, then I think an open-source standard for descriptions and i.d. has to come first. I don't see that happening for a very long time.
Just throwing out some thoughts as part of a discussion; I'm not trying to throw a wet blanket on the idea. For myself, I learn a lot from paging through the catalogues looking for an i.d., and not just about the stamp I am looking for. I believe I would know a lot less if an app just popped up an i.d. for a given stamp.
We must have been cursed by a Chinese philatelist, because we certainly live in interesting times.
