SLOVENIA
Chainbreakers
,P 30, Yu. P 52, 53 (2), Yu. 150/1,
Cover, franked with 75 para, sent locally within Ljubljana (5.XII.21). On arrival 1,50 Din. postage due was charged (6.XII.21) using mixed franking of 'Chainbreakers' (1 Din. Provisional issue, Zig-Zag rouletted) and Kingdom of Yugoslavia postage due stamps. Rare.