1918 WW1 Pen and Ink Drawing of the RNAS Crest

Title - RNAS, Cranwell, Lincs 
 
Date - 15. 6. 18 for 1918
 
Medium - Pen and Ink with Watercolour on paper
 
Signed - with 'R.E.H' Monogram
 
Picture size - 11cm x 14.5cm / 4.25" x 5.75"
 
Outside frame size - 24cm x 29cm / 9.5" x 11.5"
 
Condition - Excellent but with three tiny stains around the R in RNAS and above the Eagle
 
Frame - Antique Victorian / Edwardian oak picture frame with period glass
 
A Pen and Ink Drawing on paper of the RNAS emblem with the Eagle above, drawn at the RNAS Base at Cranwell in Lincolnshire, UK. The Picture is dated two months after the RNAS and the RFC amalgamated into the third Service, the RAF in April 1918.