Stamps & Covers Public Auction 362

1919 Postage Dues collection 'Porto' h/s on wide range of stamps various types inc upper & lower case letters, boxed square, oval, rectangle, diamond, circle, triangle etc in red, violet, blue, magenta etc. Many on piece, plus covers envelopes etc. Seems to be 30+ diff types, some annotated as forgeries? Also handbook illustrating 100s of diff types. VF M/U. Very interesting field. (217, + covers).