Engraved and printed in Relief by the American Bank Note Co., New York
5c Red Brick on White. Envelope Size: 140mm x 82mm

5c Master Die Proof in Black
1892: BUENOS AIRES CIRCULATING
With boxed-in BUSONISTAS and BUZON / 86 cancels.
Backstamped BUZONISTAS DE LA CAPITAL / OCT 6.

ONE OF TWO RECORDED EXAMPLES
USED INTERNALLY WITHOUT UPRATING
1883, SEPTEMBER 30: C. DE GOPA to CALIFORNIA
8c Adhesive added for 13c single outbound rate to North America.
November 19 entry on verso.
a
a
a

1879, JULY 25: ARIO to ST. PETERSBURG, RUSSIA
Uprated with 1c x 2 and 8c adhesives on verso for 16c double outbound rate
with one missing stamp assumed to be 1c.

NO MORE THAN 10 USED ENVELOPES KNOWN TO EXIST