Special offer of monographs Slovakia 1939 to 1945 - stamps and postal stationery

Special offer of monographs Slovakia 1939 to 1945 - stamps and stationery - final sale at bargain prices.

21. 11. 2025
Complete description

Measurement of perforation of postage stamps

Measurement of perforation of postage stamps
Author: Rudolf Šulej
Source: www.postoveznamky.sk / www.filatelia-kosice.eu
Published: 02. 02. 2019 18:30

Reflection on the methods of measuring Slovak postage stamps perforation and the results that brought in a more accurate measurement by a professional sliding scale.




Author: Rudolf Šulej

Post a comment

TOP Philatelic Events

Articles by category

Latest Articles

... all articles

Newsletter

Monthly we send to your email info about events, new articles, materials and other interesting news.

Current news on the philately and stamp collecting

... all messages

Philatelic partners

POFIS - Postal philatelic service
EXPONET - Virtual international philatelic exhibition
aukro.sk - Online auction and sales portal
Filaso.cz ...or philatelists for themselves
OLYMPSPORT - Czech Association for Olympic and Sport Philately
ZSF - Union of Slovak Philatelists