Watch List notes:

GALAPAGOS ISLANDS: AR sucre, ND (ca. 1920), Rulau-CLT-17, script RA countermark on KM-53.1 Ecuador sucre dated 1884, Rogelio Alvarado issue, tentative attribution to Galapagos, EF on EF host with surface hairlines, R.

Estimate: 130-170 USD