Confederation Conference Perforated OHMS (4-Hole H)

Perforated official, "O.H.M.S"
4 holes in vertical bars of H.

Country:	Canada
Type:	Postage stamps
Series:	King George V 1935 Pictorial Definitive Issue
Nominal:	13 ¢
Year:	1939
Size:	39 x 28 mm
Perforation:	line 12