21. Philatelic 68/6/21 Reference (shelfmark): Philatelic 68/6/21 Title: Supplementary Collection: Greece Postage Stamps Scope & Content: Collection of postage stamps and related materials. Collection Area: Philatelic Collections Languages: English Date Range: 1889-1913 Extent: 9 pages (107 Items)
22. Philatelic 68/6/22 Reference (shelfmark): Philatelic 68/6/22 Title: Supplementary Collection: Guatemala Postage Stamps Scope & Content: Collection of postage stamps and related materials. Collection Area: Philatelic Collections Languages: English Date Range: 1892-1913 Extent: 11 pages (89 Items)
23. Philatelic 68/6/23 Reference (shelfmark): Philatelic 68/6/23 Title: Supplementary Collection: Hawaiian Islands Postage Stamps Scope & Content: Collection of postage stamps and related materials. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1899 Extent: 3 pages (16 Items)
24. Philatelic 68/6/24 Reference (shelfmark): Philatelic 68/6/24 Title: Supplementary Collection: Hayti [Haiti] Postage Stamps Scope & Content: Collection of postage stamps and related materials. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: 8 pages (85 Items)
25. Philatelic 68/6/25 Reference (shelfmark): Philatelic 68/6/25 Title: Supplementary Collection: Hejaz-Mecca Postage Stamps Scope & Content: Collection of postage stamps and related materials. Collection Area: Philatelic Collections Languages: English Date Range: 1917 Extent: 2 pages (29 Items)