Montserrat 1983 Hummingbirds perf set of 4 opt'd SPECIMEN, as SG 571-74 unmounted mint
Montserrat 1983 Hummingbirds perf set of 4 opt'd SPECIMEN, as SG 571-74 unmounted mint
Montserrat 1983 Hummingbirds perf set of 4 opt'd SPECIMEN, as SG 571-74 unmounted mint