REPUBLIC OF LATVIA 1991-
RATES ON JANUARY 1, 1992
The rates in January and february are the same as December 1991, but 1 January 1992 every country outside Latvia: foreign rate (even Estonia and Lithuania).
Since 1 december: rate international letter 1 rouble (airmail 1 rouble, 50 kopecks).
This airmail letter from Riga to Tartu is sent 16.02.92 (the postmark is not so clear, but the arrival postmark is clearly Tartu 25.02.92). So the franking, 7 kopecks + rubber stamp 43 + postage stamp 100, together 150 kopecks is correct.
Here is re-used a Soviet postal stationary with value-stamp transport 1991: so according the Michel Ganszsachen-Katalog Europa Ost 2004/05 this issue is number U 7, issued December 1, 1991.
NEW RATES ON MARCH 1, 1992

Cover, from Riga to Riga, sent June 1992. The old postal stationery (valid unto 30 June) with the rubber stamp: not enough. With the stamps together is it sent with the new inland rate: 100 kopecks (1 rouble).
Here is re-used a Soviet postal stationary with value-stamp transport 1991: so according the Michel Ganszsachen-Katalog Europa Ost 2004/05 this issue is number U 7.
On March 1, 1992, Latvia has raised again the postal rates. The rates 1 March 1992 - 9 August 1992
- inland letter till 20 gr. the rate was 1 rouble
- inland postcard: 50 kopecks
- registered inland letter: 3 roubles
- rate international letter 3 roubles (airmail 5 roubles)
The postal stationery of the Soviet Union were valid until 30 June 1992. So with the raised postal rates the postal authorities decided to re-use the Soviet postal stationery
The issues on March 1, 1992:
- U 12: 93 kopecks next 7 kopecks, cover value stamp transport 1991 (Liga-day, 12.4.91)
- U 13: 95 kopecks next 5 kopecks
- U 14: 293 kopecks next 7 kopecks, cover value stamp transport 1991 (Liga-day, 12.4.91)
- U 15: 295 kopecks next 5 kopecks, cover value coat of arms without border (Latvian landscapes, Rocks Erglu, 29.4.90).
- U 16: 295 kopecks next 5 kopecks, cover value stamp transport 1982 (Birthday,11.07.88))
Postal stationary: 93 kopecks next 7 kopecks, value stamp transport 1991 (Liga-day, 12.4.91), so U 12 accrding the Michel.

The cover is sent from Riga to Riga in July 1992.

293 kopecks next 7 kopecks, cover value stamp transport 1991 (Liga-day, 12.4.91):
so U 14.

The postmark is not clear, but we have the arrival-postmark Tartu: 25-05-92. So this postal stationary is still valid (upto 30 June). Together 300 kopecks: the rate for international letter at this time. Since 1 January 1992 also a letter to Estonia must have the rate for an international letter.
JULY 1992
Changes in July 1992
- From July 20, 1992, there is a
new currency: the Latian rouble=100 Latvian kopecks.
From March 3, 1993 again new currency: 1 Lat = 100 Santimi (=200 Latvian roubles) - The postal stationery of the Soviet Union were valid until 30 June 1992.
- The stamps of the Soviet Union were valid until 30 June 1992.




