Angola, 1951: Birds set of 24 on Courvoisier Archive pages, all
imperforated in finished or colour stages, a few values are
duplicated and
Angola, 1951: Birds set of 24 on Courvoisier Archive pages, all
imperforated in finished or colour stages, a few values are
duplicated and also on first page, No. 66, there are three
photographic Proofs of unissued values and colour trials 40 c.
value. All in fine condition on the company's archival pages. A
unique opportunity to acquire 137 proofs of this most iconic Bird
issue
