60% is the new 80%

A milestone was reached today with a fairly nondescript postcard:
"Rock Portals on the Trail Ridge Road", Sanborn R-866, a pedestrian view of the Rock Cut post-1932, pushed me into second place all time for total different number of Sanborn R-series postcards assembled (in the set that runs from R-750 to R-1785).  Only long-time collector Bobbie Heisterkamp presumably has more (her list is not a matter of public record, but she owns more rare R-series views than me from postcards chosen to illustrate her book, and I'm going to give her the 320 common views that anyone serious about collecting Sanborns could find without much effort).
The second column is me, the third column is Sanborn HQ.  You would think Sanborn HQ would have the capability of assembling a complete set of Sanborn R-series postcards (1034 different numbered views produced between 1933 and 1953), since they had access to all of them, but apparently they didn't bother collecting them or saving them as salesmen's samples or an office or "master" set.  620 is 60% of the total number of R-series postcards between R-750 and R-1785 Harold Sanborn ever produced, but the remaining 40% is very much an "uphill" 40%, as it consists of less than 10% that are "easy" to find (in that more than 500 were printed over the life of the postcard) and 70% that are "difficult to impossible" to find (in that between 25 to 500 were printed over the life of the postcard, which at 2-1/2 cents to 5 cents original purchase price, was produced as an essentially disposable souvenir).

I am most proud of this set because it was assembled piecemeal, dealer to dealer, Ebay seller to Ebay seller, and show to show, over the course of a decade, without buying out another collection.  Before "Rock Portals on the Trail Ridge Road" entered the fold and we stood tied at 619, Sanborn HQ's 619 were not the same 619 postcards as my 619, although there is considerable overlap among the core or "common" postcards (again, Sanborn had easy access to the rare cards, unlike current collectors, but apparently didn't bother saving them) - think of a Venn diagram, with the overlap being the core "common" postcards which even a blind pig could find, and cards unique to Sanborn's collection being one of the outlying crescents, and some postcards unique to my collection being the other.  Merging the two collections would push my collection to 80% completion, but having come this far, I have no intention of merging them, but rather seeing how far I can get on my own.  Assembling a complete set would be akin to walking to the moon, except that, in that case, everyone would remember your name, while in the case of assembling a Sanborn RPPC collection, the six people who know your name either hate you for taking postcards they need, or dismiss you for such a silly undertaking.

Comments

  1. Looking for some biographical info. on Sanborn. Birth and death dates, etc.

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