Linn's Stamp News gives you a quick look at what's going on in the world of stamp-collecting.

1. British Postal History Museum sets up Penny Black exhibition

Archivist Stuart is installing first object in out #pennyblack #exhibition ! Opens 6 May pic.twitter.com/rMRdkzhXiA

— BPMA (@postalheritage) April 30, 2015

Understanding how an #icon was made #175PennyBlack case two almost done! pic.twitter.com/or6S2kMkfH

— BPMA (@postalheritage) April 30, 2015

Installing our Penny Black exhibition today @postalheritage First case done, now for a chocolate break!

— Emma Harper (@EmmaLucyHarper) April 30, 2015

Star object sheet of #pennyblack #stamps is going into place!A #revolution in communication started 175 years ago pic.twitter.com/j3fBg1dAvQ

— BPMA (@postalheritage) April 30, 2015

2. Rasdale auction

In its next public auction, Rasdale Stamp Co. is offering United States and worldwide stamps and covers, plus a large number of collections, accumulations, stocks and additional material.

3. Hong Kong collecting

During a recent short layover in Hong Kong, Wayne Chen visited a few stamp-collecting sites in pursuit of his hobby.

4. Yesterday's most-viewed post

You bought it: Reader adds to collection of unusual usages of U.S. Transportation coils

5. Something social