Hebrew on/in non-Israeli object (1)
Philately - Air Mail (8)
Philately - Censored Mail (11)
Philately - Coil Stamps (1)
Philately - Earliest/Latest, First/Last & Proving dates or places (3)
Philately - Military Post Offices or Military Administration (12)
Philately - Multiple Postal Authority/Period mail (1)
Philately - Postal Stationary (2)
Philately - Significant Addresses/Persons (2)
Philately - significant cachets & postal markings (9)
Philately - Significant franks on covers (2)
Philately - Significant Rates/Periods (6)
Philately - Significant Route (8)
Philately - Small Locales (1)
Philately - Stampless Mail (2)
Philately - Surface Mail (contemporary) (2)
Philately - Taxed Mail (1)
Philately - Train Stations/Rail Transport & TPOs (1)
Philately - Unusual Origin, Destination or Postal Link (6)
Philately - unusual postal procedures/fines/taxes (2)
Unique/Discovery Piece (4)