An example with an obvious overdate displaying the upright of the 1. Bright lustrous gold surfaces are free of any major bagmarks or other impairments. Just back from PCGS.

Country:	Mexico
Denomination:	20 Pesos
Date:	1920/10
Mint:	Mo
Grade:	62
Grading Service:	PCGS 526169.62/48928750
Catalog:	KM-478
Metal:	Gold
Fine:	.900
AMW:	.4823
Item #:	0412-002