1-11 (149-156, 152b, 154a) 1913-14 ½d-£1 Britannia, wmkd MCA, perf 14, cplt (10) with both "white back" paper varieties, OG, LH VF (Scott Retail $365.40) (Image)

...(Photo) SG $393.90

12-20 (206-15) 1921-22 ½d-£1 Britannia, wmkd Script CA, perf 14, cplt (9), OG, LH F-VF (Scott Retail $359.75) (Image)

...(Photo) SG $270.00

J1-J8 (D18-D25) 1923-45 1d-1' black Postage Dues, wmkd Script CA, perf 14, cplt (8), OG, NH F-VF (Image)

...(Photo) Net Est $600.00

J5 (D22) 1944 5d black Postage Due, wmkd Script CA, perf 14, very scarce and undercatalogued used as it saw very little use before the next issue, SUPERB (Image)

...(Photo) Net Est $500.00

J8 (D25) 1945 1' black Postage Due, wmkd Script CA, perf 14, very rare and undercatalogued used high value that saw very little use before the next issue, lightly canceled, signed, VF (Image)

...(Photo) Net Est $575.00

O1 (O11) 1913 ½d green Britannia Official with SG Type O3 overprint, wmkd MCA, perf 14, very rare and seldom seen used, severely undercatalogued, right wing-margin example tied to piece, ex-Ramkissoon's gold medal collection, with Brandon certificate, F-VF (Image)

...(Photo) Net Est $750.00

O2 (O12) 1914 ½d green Britannia Official with SG Type O4 overprint, wmkd MCA, perf 14, exceptionally rare and vastly undercatalogued as very few were used, light cds, with Brandon certificate, F-VF (Image)

...(Photo) Net Est $1,050.00

O3 (O14) 1916 ½d yellow-green Britannia overprinted "OFFICIAL" SG Type O5 (with stop), wmkd MCA, perf 14, vastly undercatalogued used, tied to piece by "Port of Spain" cds, with Brandon certificate, VF (Image)

...(Photo) Net Est $950.00

O4 (O13) 1914-17 ½d green Britannia overprinted "OFFICIAL" SG Type O5 (without stop), wmkd MCA, perf 14, exceptionally rare and vastly undercatalogued as very few were actually ever used!, tied to piece by "Port of Spain" cds, with Brandon certificate, SUPERB (Image)

...(Photo) Net Est $800.00

O4 var (O13 var) 1914-17 ½d green Britannia overprinted "OFFICIAL" SG Type O5 (without stop), unlisted VARIETY - double overprint, wmkd MCA, perf 14, bottom-margin example, hinged in selvege only, one small corner perf, a great rarity, ex-Ramkisson collection (which held all three known examples), with RPSL certificate, OG, NH VF appearance (Image)

...(Photo) Net Est $3,500.00

O5 (O15) 1917 ½d green Britannia overprinted "OFFICIAL" SG Type O6, wmkd MCA, perf 14, rare and undercatalogued used, tied to piece by "Port of Spain" cds, with Brandon certificate, SUPERB (Image)

...(Photo) Net Est $1,300.00

O5 var footnoted (O15a) 1917 ½d yellow-green Britannia overprinted "OFFICIAL" SG Type O6, wmkd MCA, perf 14, exceptionally rare and undercatalogued used, tied to piece by "Port of Spain" cds, with Brandon certificate, SUPERB (Image)

...(Photo) Net Est $1,450.00