1986 Posthorn Definitives FDC

1986 Posthorn design definitives, 1.70 Kr violet and 2.80 Kr green with 350th Post Office Anniversary issue on illustrated unaddressed cover with STOCKHOLM 20th February 1986 first day cancel. S.G. Nos 1224,1226 with 1294.
Facit Nos 1396, 1397 with 1398.