Netherlands Antilles (Curacao)
1929 Issue 6 ct. Overprint

Carl Walske first reported Sperati's forged overprint in Sperati II. This is listed only having seen the Paris Museum negative and is not known to have been used by Sperati but may well exist..

reproduction thumbnails:  

1929 Issue 6ct overprint

1. the top thin line has a weakness at right

2. the lower arm of the "C" tapers down towards its end while the top arm has a nick
 

 

additional information from Sperati II:    Netherlands Antilles Text

Richard Frajola (May 14, 2020)