1881 Quetzal 2c brown and green, mint, showing INVERTED CENTRE variety, fine and scarce, signed Bloch (Image)

1902-28 Collection of Mark Spycher, his last collection that he formed on the Waterlow issues, various complete sheets including 1928 surcharge issues and a few later issues, main value in collection of 1910-21 issues with varieties, 12 Die Proofs, 5 Plate proofs, artwork, large multiples, 7 inverted centres, 13 Waterlow sheetlets of 9, etc., , 1922 provisionals with much duplication throughout, countless varieties, often in multiples, phenomenal holding including Specimens, 1902-07 Waterlow with perf. varieties, exceptional holding (Image)

1886-1902, Arms of Guatemala exhibition collection in need of remounting, replete with covers including registered, 'AR', spectacular frankings, destinations, stamps with plate Proofs, Die Proofs, specimens, multiples including largest known, part sheets, wonderful array of cancels, ex Mark Spycher (Image)

1886-1990ca., Accumulation of 100s of covers, stationery and postcards from the Mark Spycher estate with a plethora of interesting items, large number of covers pre-1900, wealth of cancel interest throughout, diverse frankings, registered, 'AR', officials, airs, great opportunity, requires reorganising (Image)

1887-2004, Accumulation of many 100s of mostly commercial mail, mainly middle period but a batch of pre-1900, many separated by subject matter or destination, wealth of interest throughout with no great rarities, section of stamps on leaves with cancel interest, some foreign covers from diverse countries and 2 albums of modern Czechoslovakia, ex Spycher