Colombia

128 PROOF 15.00
137 SPECIMEN 10.00
143 SPECIMEN 10.00
189 PROOF 25.00
209 PROOF  Trial color proof in Purple 25.00
210 PROOF, Imp, Printed Both Sides 15.00
284 PROOF in Red 10.00
339, 340, 341, 343, 346, 357 PROOFS in black, nice grou 90.00
400 PROOF in issued color, gummed 10.00
400 PROOF Imp Blk of 4 in issued color 40.00
401 PROOF in issued color, gummed 10.00
401 PROOF Imp Blk of 4 in issued color 40.00
404 SPECIMEN 10.00
405 SPECIMEN 10.00
494 SPECIMEN 10.00
405 SPECIMEN 10.00
490a Blk of 4, Color Trial PROOF 30.00
602 thin paper imperf PROOF in issued color 20.00
604  thin paper imperf PROOF in issued color 20.00
606 progressive  thin paper imperf PROOF in issued color, no denomination or value tablet 25.00
607  thin paper imperf PROOF in issued color 20.00
C47 PROOFS 3 trial color proofs in blue, green and orange red 95.00
C319-20 Unissed basic stamps in blocks of 4, 3c blue perf; 1 Peso black perf and imperf; 3 peso maroon perf and imperf; all punched, 20 stamps in all 100.00
C371 Imperf Trial color proof in rose and gray 20.00
C376 Two Trial color PROOFS , blue and black; brown and black 30.00
C376 Trial color PROOF in Rose and black, more attractive than issued stamp IMPERF PAIR 30.00
C391 6 Imperf pairs, trial color PROOFS including color of issue NG 120.00
F20 Imperf PROOF on card 20.00
H16 Imperf PROOF on card 20.00
RA  Type PT4--Unlisted 25 centavo gray 25.00
RA Type PT10, Imperf PROOF without value tablet 20.00
 Progressive PROOF red band of a waving Colombian flag, Imp Pr Punched 20.00
1953 Revenue Stamp $1 SPECIMEN 5.00
Caldas Cigarette Revenues 5 different SPECIMEN 30.00
2c inperf SPECIMEN cigarette tax in green, attractive ship motif, punched 10.00