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 UCC 3A-204 defines 'indorsement' in part as a 'signature, other than that of a signer as a maker, drawer, or acceptor, that alone or accompanied by other words is made on an instrument.' A 'signature' is defined as 'a name, . . . word, mark or symbol executed or adopted by a person with the present intent to authenticate a writing.' Code 8.3A-401(b). Similarly, 'signed' is defined as including 'any symbol executed or adopted by a party with the present intention to authenticate a writing.' Code § 8.1-201(39). 

The official comment to Code § 8.1-201(39) explains that 'signed' is to be ...