First Day Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

2d 2h 24m

emmy (680)

First Day Cover 1977 - Nikolai I. Pirogov

€ 0⁷⁵ 
1⁴⁷ BGN

4d 1h 34m

emmy (680)

BPS VIII CONGRESS FIRST DAY POSTAL ENVELOPE 1977

€ 0⁵¹ 
1⁰⁰ BGN

6d 3h 14m

luba_mateva (1256)

Switzerland - First Day Cover - Definitive stamps (1977)

€ 1⁰⁰ 
1⁹⁶ BGN

6d 7h 59m

secko (164)

272154 / Bulgaria FDC 1977 Philaserdika 79 Amsterdam 1977

€ 0³¹ 
0⁶¹ BGN

6d 21h 44m

Stamps_Tim (386)

270880 / pure Bulgaria IPTZ 1989 IFP Day IFP Congress

€ 0⁴⁶ 
0⁹⁰ BGN

1h 44m 44s

Stamps_Tim (386)

270773 / Bulgaria IPTZ 1989 FIP Day 58 FIP Congress

€ 0²⁰ 
0³⁹ BGN

1h 44m 44s

Stamps_Tim (386)

272155 / Bulgaria FDC 1977 Philaserdika 79 Amsterdam 1977

€ 0³¹ 
0⁶¹ BGN

6d 21h 44m

Stamps_Tim (386)

Gibraltar - First Day Cover - Philatelic Exhibition...(1977)

€ 0⁴⁰ 
0⁷⁸ BGN

3d 6h 44m

secko (164)

First-day postal envelope Third Congress of Bulgarian Culture 1977

€ 0⁶⁹ 
1³⁵ BGN

2d 19h 59m

Ivodimitrov (1314)

Bulgaria 1977 Postal envelope with first-day stamp May 9 with 2 st

€ 0⁵¹ 
1⁰⁰ BGN

2d 10h 44m

oleg66mirtchev (108)

272158 / Bulgaria FDC 1977 IUS Congress

€ 0²⁶ 
0⁵¹ BGN

6d 21h 44m

Stamps_Tim (386)

272151 / Bulgaria FDC 1977 Congress of BLRS

€ 0²⁶ 
0⁵¹ BGN

6d 21h 44m

Stamps_Tim (386)

IPTZ envelope 1977 - Happy May Day, USSR

€ 0³⁶ 
0⁷⁰ BGN

7d 8h 34m

emmy (680)

First day postal envelope XIII Congress of the DKMS 1977

€ 0⁸⁴ 
1⁶⁴ BGN

2d 19h 59m

Ivodimitrov (1314)

First Day Mailing Envelope Airships, First Day, 2000

€ 2⁵⁶ 
5⁰¹ BGN

2d 2h 24m

emmy (680)

1977 San Marino. First stamp of San Marino. First Day Cover

€ 1⁷⁹ 
3⁵⁰ BGN

7d 17h 34m

despot55 (410)

First-day postal envelope VIII congress of OF Sofia June 1977

€ 0⁶⁹ 
1³⁵ BGN

2d 19h 59m

Ivodimitrov (1314)