CONGO (1973a) Kronenbourg brewery. Die proof in violet signed by the engraver DECARIS. Scott No 278, Yvert No 328.
AVAILABLE AT $100
CONGO (1973b) Laboratory in brewery. Die proof in violet signed by the engraver DECARIS. Scott No 279, Yvert No 329.
AVAILABLE AT $100
CONGO (1973d) Automatic control room. Die proof in blue on watermarked paper (rare) signed by the engraver DECARIS. Scott No 281, Yvert No 331.
AVAILABLE AT $100
CONGO (1973) Botttling plant. Die proof in blue signed by the engraver DECARIS. Scott No 282, Yvert No 332.
AVAILABLE AT $100
CONGO (1973) Pressure room*. Die proof in green signed by the engraver DECARIS. Scott No 283, Yvert No 333.
AVAILABLE AT $100