J.C.S. Blackburn (Canal Zone 1929)

01 January (Canal Zone ) within release Definitives goes into circulation Stamp J.C.S. Blackburn face value 50 United States cent

Stamp J.C.S. Blackburn in catalogues
Stamp Number:	Sn:US-CZ114

Stamp is vertical format.

Also in the issue Definitives:

• Stamp - Gaillard Cut face value 5;
• Stamp - Lt. Col. David du Bose Gaillard face value 12;
• Stamp - J.C.S. Blackburn face value 50;