| /Seebeck 1896 envelope with sender's legend to top left and Via Panama-New York handstamp under. Santa Ana CDS dated 7th February 1896, backstamped with forwarding agent's mark, San Salvador CDS, New York Foreign Transit stamp and Bremen receiving mark
| /Seebeck 11c postal envelope in light yellow paper (one of four colors) from Sonsonate to Bremen with CDS dated 28th November 1891. Backstamped with Acajutla (the Salvadorean coastal port), New York Foreign Transit and Bremen handstamps.
| /Complete sheet of one-hundred of the 1921 SEIS overprint, less two stamps and the top margin. The surcharge is positioned to allow 'Centavos' to remain visible.
| /Block of eighteen stamps showing the double 1c surcharge error, currently unpriced in Scott. The block contains the 'dropped n in Centavo' variety, only found in position 27 on the sheet (middle row, second from right). The block is MNH, inferring CTO with a mute violet star in circle cancel. A scarce item.
| /Complete sheet of one hundred plate proofs on gummed paper with an upright, vertical watermark (likely to be an original printing). Vertical crease between the final column, minor tears to the selvedge only plus a few hinge remnants to the selvedge.
| /Full sheet of one hundred plate proofs on ungummed, unwatermarked paper, as printed. Central vertical paper fold. Note: Seebeck issues are thought to have been printed on up to eleven original papers and seventeen reprint papers. Assume a reprint paper unless stated otherwise.
| /Unmounted mint block of forty plate proofs from the top of the sheet. On gummed, unwatermarked paper, depicting an Ocean Steamship. Hamilton Bank Note imprint on the selvedge. Light toning and vertical crease down the last column. Three hinge remainders on the upper selvedge only. Note: Seebeck issues are thought to have been printed on up to eleven original papers and seventeen reprint papers. Assume a reprint paper unless stated otherwise.
| /Unmounted mint corner block of thirty plate proofs on gummed, unwatermarked paper, depicting Mount San Miguel. Hamilton Bank Note imprint on the selvedge. Light toning and gum crease, not visible from the front. Note: Seebeck issues are thought to have been printed on up to eleven original papers and seventeen reprint papers. Assume a reprint paper unless stated otherwise.
| /Ocean Steamship pair, imperforate on all vertical sides. Hinge remnant and pencil notation.
| /Marginal pair, imperforate between on the top stamp and imperforate top and bottom on the lower stamp. Small hinge remnants.
| /Full set of 12 of the 1898 'Greater Central American Republic', Hamilton Bank Note black print die proofs. On greyish paper mounted to card, including three composite proofs. Minor surface staining in places. A scarce set.
| /This is as good as examples of offsets get. 100% mirror image on the gummed reverse side. Only 6,000 examples printed. Undercatalogued.
| /The 15c value of this stamp has a 15c double variety that is catalogued at a 1300% premium. Brian Moorhouse argues in the Mainsheet that these stamps may well have been duty and key plate printed. The 15c stamp in this particular set would seem to evidence that, as the numeral can be seen to be printed in a much darker shade of red (as quoted in Mainsheet) when compared with the regular 15c stamp. This is the only copy I’ve seen with this colouration. Additionally, this set includes the 40c value in a darker shade of blue than is found on the regular stamp.These stamps were hand gummed and hand perforated (hence typical irregular perfs). Very undercatalogued with only 5,000 sets printed.
| /17th December 1930 First Day of Issue 2c postcard with commemorative CDS cancellation. An undercatalogued set with only 5,000 sets printed. Minor hinge marks to reverse.
| /Block of 25 of the 1892 Provisional with surcharge in black, reading upwards.