Examples from the Web for b4
The others engaged in line, within point-blank, the rear-admiral hoisting the flag for close action (B4).Types of Naval Officers|A. T. Mahan
Although the glyph in B4 is too much effaced to read, we are justified in assuming that it is the head variant of the katun sign.
When & if Spr returns wil acpt state-fed laws as b4 but meantime circs warrant adapt to prevailing conditions.And Then the Town Took Off|Richard Wilson
The uinal head with its characteristic mouth curl appears in B4.
The uinal and kin glyphs have been crowded together into one glyph-block, B4, the uinal appearing in B4a and the kin in B4b.