| Images | Description | Current Bid |
 | Lot #293 COLOMBIA Air Post 1923 30c on 20c gray and 30c on 60c vermilion, blocks of four, the latter without gum, former dried gum, n.h., some perf. separations, fine-v.f.,  (*)**Catalog #C51-52 Catalog Value $ 710 | Unsold |
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