Great Britain, collection KGV to QEII written-up in four loose-leaf albums. Two volumes are dedicated to specialised used 1912-36 with many inverted/sideways wmks, shades, minor varieties and flaws identified, the odd control number, the third vol. with the KGVI and QEII varieties, the KEVIII with all inverted wmks, plus London postmark study from QV onwards incl. postal history. The 4th vol. has the mint from 1935 to 1960s with interesting KGVI multiples, printings, etc, phosphor sets, etc. Inspection recommended.