COMPAÑIA MEXICANA DE PETRÓLEO "EL ÁGUILA" S.A.

C549 is the funnel-and-flag illustration sourced to Lloyds. The document does not give a separate written design description.

C550 is documented by Brown and the 1933 Lloyd house-flag plate. Its FOTW flag illustration draws on that plate as reproduced by Znamierowski; the complete plate title, date and page reference are retained in Sources.