King George V formed an outstanding European stamp collection especially rich in British and colonial stamps, which was later passed on to succeeding British monarchs.
Notes on verification
Confirmed by multiple independent sources including Wikipedia, Smithsonian National Postal Museum, UK Postal Museum, and Mystic Stamp, all corroborating George V's formation of the collection, its strength in British/colonial stamps, and its continuation by later monarchs. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.833 clusters=3 claim_tier=notable]
Sources
- Philately - Notable Stamps, Collections | Britannica (seed:culture_and_philosophy)
- https://www.postalmuseum.org/blog/king-george-v-the-stamp-collector/ (corroboration)
- https://info.mysticstamp.com/learn/king-george-v-the-stamp-collecting-king/ (corroboration)
- https://postalmuseum.si.edu/people/king-george-v (corroboration)