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

31 December (Canal Zone ) within release Airmail goes into circulation Stamp J.C.S. Blackburn face value 10 United States cent

Stamp J.C.S. Blackburn in catalogues
Michel:	Mi: US-CZ 82
Stamp Number:	Sn: US-CZ C4
Yvert et Tellier:	Yt: US-CZ PA3

Stamp is square format.

10c on 50c Stamp of 1929 Surcharged

Also in the issue Airmail:

• Stamp - George Washington Goethals face value 20;
• Stamp - George Washington Goethals face value 20;
• Stamp - J.C.S. Blackburn face value 10;