1932 (Dec 187/18): Inauguration of the Rivas Railway, Postage & Airmail values, the complete set of 10 sheetlets of four stamps, lithographed on soft porous white paper, 1 c.-15 c. Postage and 15 c. - 1 cor., all fresh and fine, unused as issued. On sale for a period of just two days, the sheetlets are rare so fine Scott = $ 720.

1862/1912: Collection on Schaubek leaves with 1862 first issue to 1882 issue showing variety of cancellations with framed town cancels, manuscript usages, numeral handstamps (3, 4, 5, 6, 7, 9, 10, 11 and 12 noted) and a page with Seebeck issues largekly postally used.