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Auction Catalog Provenance
Tracing named collections, plated examples, certificates, and sale records.
Reality check
Old is not the same as rare.
Many old stamps were printed and saved in enormous quantities. A scarce catalog variety can share its portrait and color with a common stamp. Exact identity and condition do the work.
Watch for: regumming, reperforation, filled thins, cleaned or added cancels, forged overprints, altered colors, repaired tears, and certificates that do not clearly match the item.
