I didn't see any variations online, that is an odd color.
From Mystics...
U.S. #1608
1979 50¢ Betty Lamp
Americana Series
Issue Date: September 11, 1979
City: San Juan, Puerto Rico
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed and engraved
Perforation: 11
Color: Tan, black and orange
KFISH
Posts: 2 ✭
Answers
Find a copy of the Scott Specialized US catalog. If it is a variety it should be listed there.
I didn't see any variations online, that is an odd color.
From Mystics...
U.S. #1608
1979 50¢ Betty Lamp
Americana Series
Issue Date: September 11, 1979
City: San Juan, Puerto Rico
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed and engraved
Perforation: 11
Color: Tan, black and orange