a. (UN-1 7 b.)

1

1819.  Southey, Lett. (1856), III. 106. The next question is how to transport them…, for they are of an unfrankable shape and texture.

2

1917.  R. R. La Follette, Hist. Campaign Funds, 1876–92, ii. 16. The congressional frank was utilized quite extensively both for frankable and ‘unfrankable’ material by the two parties.

3