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07.05.2026 Author: Mihail Petrov Research | Original Gum and Authenticity in Modern Philately

Research | Original Gum and Authenticity in Modern Philately

A few decades ago, philatelists did not face many of the problems that are now completely common. In the past, the main interest was in used (cancelled) stamps, and the requirements for mint stamps were minimal. The issue of missing or damaged gum was almost n...
05.05.2026 Author: Mihail Petrov Training | Maximaphilia - elements, rules and history

Training | Maximaphilia - elements, rules and history

Maximaphilia is a special field of philately that deals with the study and creation of maxicards. It is recognized by the International Philatelic Federation (FIP) and, as one of the directions in philately, is monitored by a specialized FIP commission.   A ma...
05.05.2026 Author: Mihail Petrov Training | A Brief History of Bulgarian Philately

Training | A Brief History of Bulgarian Philately

1. March 31, 1893. On this date a hundred years ago, a few enthusiasts founded the first philatelic society in Bulgaria in Plovdiv. The beginning was made. 2. On October 15, 1893, the society, which already had 50 members, published its own printed organ, “Voi...
05.05.2026 Author: Mihail Petrov Training | Philatelic Dictionary

Training | Philatelic Dictionary

A Album: specially printed sheets, bound, connected by a spring or pins. The sheets are marked with the impressions or frames for the locations of the stamps. Album sheets without the above marking are also used, which are white or only slightly checked. On th...
05.05.2026 Author: Mihail Petrov Training | Instructions for the young philatelist

Training | Instructions for the young philatelist

Stamp collecting is a popular and rewarding hobby practiced all over the world.   This hobby requires no initial skills or expertise, and it doesn't have to be expensive. Beginning collectors are often thrilled by a beautiful piece of art on display, while adv...
05.05.2026 Author: Mihail Petrov Training | The Beauty of the First Day Cover (FDC)

Training | The Beauty of the First Day Cover (FDC)

A first day cover or FDC is an envelope bearing a stamp or stamps destroyed on the date on which the stamp was validated for postal use with a first day (official, special) stamp for the issue or dated by the place of validation. In Bulgaria, stamps are tradit...