Bidspirit auction | São Tomé and Príncipe *

São Tomé and Príncipe * 1911 – King Carlos I Mouchon, with the overprint “REPUBLICA” from the Mint. MF100, 20 réis, violet-grey, 11 ¾ perforation. Stamp isolated in a monochromatic (violet) illustrated postcard from Roça Boa Entrada, circulated from São Tomé (September 21, 2012) to Philadelphia / USA.